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The Echo Nest Partners with SeatGeek

May 6 1:33pm

SeatGeek, a ticket search engine, and The Echo Nest have partnered to incorporate SeatGeek artist IDs into The Echo Nest’s Rosetta ID mapping layer making it possible to use SeatGeek IDs directly with the Echo Nest API.

This makes it easier for you to use the SeatGeek and the Echo Nest APIs together. For instance, you can call the SeatGeek API, get performer IDs in response, and use those IDs with the Echo Nest API to present more context about the artist.

Here, we make a call to the SeatGeek API to get the set of top artists that are performing nearby:

http://api.seatgeek.com/2/events?geoip=true&range=50mi&sort=score.desc&taxonomies.name=concert&per_page=10

Each returned event includes a list of performances, like so:

performers”: [{name”: Rolling Stones,short_name”: Rolling Stones,url”: http://seatgeek.com/rolling-stones-tickets/,type”: band,image”: http://cdn.chairnerd.com/images/performers/2597/rolling-stones-baba31/huge.jpg,primary”: true,slug”: rolling-stones,score”: 0.80756,“images”: …id”: 2597}]

We see the entry for the Rolling Stones. The SeatGeek ID for The Rolling Stones is 2597. We can use this ID directly within The Echo Nest calls; to get The Echo Nest info on the Rolling Stones using the SeatGeek ID, we can make an artist/profile call like this:

http://developer.echonest.com/api/v4/artist/profile?api_key=N6E4NIOVYMTHNDM8J&id=seatgeek:artist:2597&format=json&bucket=biographies&bucket=blogs&bucket=familiarity&bucket=hotttnesss&bucket=images&bucket=news&bucket=reviews

To show off the integration of SeatGeek and The Echo Nest, we’ve built a demonstration app that shows a list of top SeatGeek concerts (generated via the SeatGeek API) for any city. The app allows you to play music by the artist (via Rdio) and shows you the biography of the artist.

The application is live at this SeatGeek Demo, and the source code is on github.

The SeatGeek API is quite easy to work with. No API key is necessary. There’s lots of good data, including artist images, and an easy to understand TOS. See the SeatGeek page in The Echo Nest Developer Center for more info on the SeatGeek / Echo Nest integration.

The Echo Nest’s Global Expansion Goes Nordic: WiMP and More

May 3 12:41pm

When we closed our latest round of funding, we said we were excited about expanding internationally to share our industry-leading music intelligence with music fans all over the world.

On that front, we’re happy to announce partnerships in the digital music stronghold of Scandinavia and surrounding countries, beginning with…

WiMP’s New Radio and Discovery Features

Norway’s WiMP announced a major upgrade to its iOS app for music fans in Denmark, Germany, Norway, Poland, and Sweden (more countries to follow).

Our technology powers the biggest upgrades to the app, including the ability to turn just about anything on the service into a personalized streaming radio station. Making any song or artist into a radio station is a fun, convenient way to discover your next favorite music makers.

“We believe this new feature will help our users discover even more artists and get tips even beyond our editorial recommendations,” said WiMP Global Editor, Thor Martin Jensen, about this Echo Nest-powered feature. “It’s all about convenience.”

We’re also the brains behind WiMP’s new Discovery Radio feature, which builds a bespoke station based on each person’s favorite tracks and artists, mixing in a healthy dose of new releases to combat music collection stagnancy.

More from The Northern Lands, powered by The Echo Nest 

  • Norwegian Viamo, has apps that let users check in to radio and television programs to receive more information about whatever they’re watching or listening to on their “second screen.” They’re using our smarts to provide detailed information, including biographies and real-time news feeds, for each artist.
  • Xite, based in The Netherlands (granted, technically not “Nordic,” but nearby) is using The Echo Nest to create dynamic playlists that react to user behavior to keep them happy. It leverages our Taste Profiles to understand each of its users — how musically adventurous they are, among other things.

There’s a lot going on for us in this part of the world, with more to come there and elsewhere. To keep tabs on our latest developments stay tuned.

How We Cope with Spammers, Fakers, and Cloners

April 26 2:50pm

Here, The Echo Nest Senior Software Engineer Aaron Mandel explores the sneaky techniques used by musical spammers to “game the system” in music services — and how we stop them from succeeding.

The Echo Nest knows approximately 2.4 million artists as part of our database of music information, which is the largest in the world. However, we also keep a list of artists to ban from our system intentionally, so they never get recommended on any of our clients’ services, or in their apps.

This isn’t a matter of taste (so Coldplay and Raffi are in no danger). It’s because those banned artists are spammers.

Musical spam is much less familiar than email spam, but it works the same way: If it’s too hard to find the 10 people who might enjoy a shady or questionable product, spammers go for sheer volume, in their attempts to spoil your online experience with unwanted email or music.

Let’s take a tour through the tawdry world of musical spam, including a few exceptions that we choose not to ban.

If you want to follow along on our tour, listen to this Spotify playlist, which includes most of the tracks mentioned in this post. Be warned, though, that just like pop music and spam, this playlist may contain taboo words.

Even if you don’t mind a bit of bad language, you might want to listen on headphones anyway, because a lot of this music is terrible.

Okay. Ready?

Those moccasins someone else has been walking in*

The very best type of music spammers — the ones whose music elicits the best mix of hysterical laughter and retributive threats when you play them for friends — are the cloners. These groups record their own versions of popular songs, replicating the originals as closely as possible with whatever time and talent they have. (Spoiler: Often, that’s not very closely.)

These cloned songs are credited to “artists” such as The Hit Crew, Hip Hop’s Finest, #1 Hits Now, DJ New Release — names that could, and often do, pass for compilation titles. They might be named after the very song they’re cloning (“Call Me Maybe,” “Thrift Shop”) or a lyric from it (“Here’s My Number,” “Party Rock Is In The House Tonight”). The name doesn’t matter, so long as it’s close enough to fool people into clicking on the track without thinking twice.

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A handful of cloners have managed to introduce their music into digital distribution networks with the original artists’ names attached — the ones they are ripping off — and that is very bad news.

If you stream music (who doesn’t?), I recommend investigating some cloners for yourself. Pick a recent popular song that you know well — the kind that you can identify after just a few notes. Search for it by its title on a streaming music service, without the artist’s name, and look for the aforementioned generic artist credits, or song titles with notations like “as performed by Macklemore” or “tribute to Macklemore.” 

Then hit play. (This is fun whether you like the song or not, but choosing one you do like might protect your sanity.)

You won’t have to explore many of these before you find something awesomely Just Not Right — a clone of a song based around a single big riff which gets that big riff completely wrong (like The Hit Crew’s clone of “Gangnam Style” or Soundclash’s clone of the Caesars’ “Jerk It Out”), or one where the vocalist gives up on faking their accent partway through the first verse, like the band Call Me Maybe’s clone of the song “Call Me Maybe.”

The most amazing one that I’ve found to date is Charts Hits 2013’s clone of Macklemore’s “Thrift Shop.” It features a vocalist who makes no attempt to sound like Macklemore, and even so, he’s in way over his head. Clearly, the guy is reading from a lyric sheet. He says “mezzanine” like it rhymes with “nine” and says that he’s draped in a “Leonard mink.” The horn riff is also agonizingly squared off, with every note played at exactly the same volume.

This “Thrift Shop” clone is on the Spotify playlist of musical spam we mentioned above, but really, it’s way too good to miss, so here’s a YouTube link too.

Okay, so… where do clones come from?

Some are made by openly proud cloners. Drew’s Entertainment created The Hit Crew and other clone artists. Their website will happily explain to you all about how their CDs are a convenience for party hosts and DJs who want to hear their favorite songs without regard for authenticity or quality (not the exact wording).

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Drew’s Entertainment has even landed some of their releases on Billboard charts recently, and — credit where it’s due — cheerfully includes Billboard’s befuddled quote on its website (above in blue).

That’s an exception to the rule. Most of these cloners are secretive, so we have to guess at their motivation.

Some clones are sold alongside karaoke versions (i.e. same track, no vocals), suggesting that the cloner’s main business lies in selling karaoke backing tracks, and the clones are just a byproduct of that — a case of “Why not?” Maybe having someone sing a scratch track helps keep the band together while they record, and these cloners simply decide to release both versions.

Others seem to appear when a hit song hasn’t been officially released in a particular country, so a clone steps in to fill the gap in the market. This type has a long history, going back at least as far as the fake Beatles records that hit America before the originals had been issued here.

There’s more. Let’s keep moving.

“Happy Birthday, Keanu!”

In terms of the sheer bulk of the spam they produce, the worst culprits when it comes to musical spam are “personalized music” artists, who make a practice of releasing hundreds or even thousands of the same song with various names spliced in.

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The group responsible for these “Happy Birthday, [Your Name Here]” songs, Birthday Song Crew, apparently didn’t want to shell out licensing fees for the familiar “Happy Birthday” song, nor risk legal action for using it without permission.

Instead they simply wrote some new tunes with deceptive titles “Happy Birthday (Reggae)”, “Happy Birthday (Jazzy),” and “Happy Birthday (Hillbilly),” each of which is a depressingly bad genre pastiche. They are not the “Happy Birthday” you’re looking for, and on top of that, they’re musically awful.

You may also notice in the screenshot above that some names appear twice. That, as far as I can tell, is because the “Happy Birthday, Jerome!” at the very beginning of the song has a slightly different intonation on some tracks, and the duplicated names are the ones where both intonations are available.

Some of these artists, especially the ones aimed at parents, claim to be personalizing entire albums for your special child. They aren’t. They have one personalized birthday song, followed by a dozen tracks that are identical to what every other kid is getting.

The Birthday Bunch and The Teddybears, among others, are guilty of this. Maybe their full-album approach comes from the days when CDs ruled the roost; if you were buying hard copies of these albums, your kid’s name would be printed on the front cover, in addition to being pasted into one track a few times. So there’s that.

To be clear, The Teddybears are spammers. Teddybears, also known as Teddybears STHLM, are not; we love them and have been known to blast “Get Mama A House” on the office stereo. We do not particularly love, but are also not going to ban, The Teddy Bears (note the extra space), a doo-wop group best known for their 1958 hit “To Know Him Is To Love Him,” which a Google search just told me featured a teenage Phil Spector. They’re fine.

The process by which these spammers choose their names appears to be manual, even if the recording is more, shall we say, automated. Birthday Song Crew have five or more tracks called “Happy Birthday Jay-Z,” even though Jay-Z has not yet cracked the top 1,000 baby names for boys. At least here in the U.S.

Money for nothing and your clicks for free*

What could be easier than personalizing music by splicing various names into the recording?

Think about this one for a second before reading on, because the answer is pretty brilliant.

That answer: Personalizing music by NOT including names in it. Or any vocals at all, for that matter.

Silhouette is a shadowy figure responsible for hundreds of copies of the same instrumental track, completely unchanged, other than the name:

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Lest anyone misunderstand this spammer’s intent, a smattering of the tracks have “(Dedicated to My Love)” added to the end of the title. They also appear to only name this track after women. One might wonder whether that’s more insulting to: women, or people who date women.

One might also wonder why “Doris (Dedicated to My Love)”, “Yvonne”, “Maite” and “Beyhan” — and none of the others! — are marked “Explicit” by some services. But too much wondering can corrode the spirit, so let’s leave that alone for the moment.

Today, I don’t feel like doing anything*

What if you have already convinced all the people you know that you are utterly devoted to them and/or are aware of their first names?

Is there anything left to achieve in your life that music spammers want to help you with?

Well, yes, obviously.

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Brainwave Mind Voyages is one of several artists in digital music catalogs who, rather than music, sell the promise of subliminal upgrades to the human mind. These are long white-noise (or even silent!) MP3s that supposedly teach you things, change your habits, or make your teeth grow while you hang out and listen. I’m not sure if they’re supposed to work while you’re asleep, though that would probably be more convenient, if no more effective.

We got our hands on several MP3s from one of these outfits, once upon a time, and determined that they were all bit-for-bit identical. In other words, the same white-noise MP3 would subliminally teach you to speak English, Spanish, French, German, Tagalog, Swedish, Lojban, or hundreds of other languages, while also making you a successful CEO, a successful computer programmer, a lottery winner, and the life of the party. Brainwave Mind Voyages also offers to help you with card counting, thinking outside the box, time travel, and tooth regeneration. Among other things.

It’s worth pointing out that, as with birthday music, even people who want to listen to these tracks on demand presumably do not want them showing up in radio playlists. We are more than happy to help with that.

I wanna rock and roll all night* and then for 200 additional hours

Even among non-cloners, some spammers actually make music. A lot of music. Like this:

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Why Not is a person or band (hard to tell) that has released hundreds upon hundreds of albums of unremarkable psychedelic rock. All of those albums consist of the same few hundred songs, repeated in various combinations. No two albums are the same, but they all draw from the same pool of material — a large pool, but not enough to support hundreds of albums without including the same songs over and over again.

Perhaps to mask this, most of these albums have titles suggesting greatest hit anthologies, or other compilations. A dozen or two are named after countries: Rock Over Peru, Rock Over Norway, etc. I haven’t been able to discern anything particularly Norwegian about Rock Over Norway, though maybe I missed it.

Then there are the eccentrics.

Sir Juan Mutant produced an epic-length discography that recycles the same tracks many times, in one instance giving the same track nine different names, on the same album. (The album, Cash The System, is 11 hours long.) This artist also frequently reuses the same title for different tracks, adding to the confusion and repetition:

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The Echo Nest does not always ban these faux-prolific, song-cloning artists. They seem to be creating original music, and it’s not always possible to distinguish objectively between a band like Why Not and, say, Rick Springfield or Fleetwood Mac, both of which have (re)released the same songs on a staggering number of anthologies and reissues.

There’s also little danger of our deeming Why Not to be similar to other artists, so he’s pretty much out of circulation to begin with. Nobody is talking about him online, let alone using terms that would link him to music that people really are listening to. He’s benign, in our grand scheme of things, so we leave him alone.

Stop — Hatin’ Is Bad*

Why does the music clone issue matter, and what are we doing about it?

The main reason it matters, as mentioned earlier, is that it’s very easy to predict whether a listener wants to hear any of these tracks. The answer is almost always “no,” so we want to leave spammers out of recommendations and playlists — particularly the ones who impersonate music that people really do want to hear, because that’s extra annoying.

Another reason it matters to us is that our systems are always optimized for real-world music. Hundreds of near-identical releases could potentially slow or confuse our system; if it were music we needed to know about, that would mean it was time for some clever engineering to solve the problem — which we are perfectly willing to do when the situation calls for it — but for spam, why even bother? We leave most of them out.

When it comes to finding spam in order to ignore it, our tools vary by the the spammer’s technique.

In some cases, pure track counts are enough to bring someone to our attention. Spammers The Birthday Bunch have a catalog comparable in size to Frank Sinatra or Johnny Cash, which raises a flag.

In many other cases, our audio fingerprinter tips us off, whether because it tells us that tracks with wildly different names are actually the same music (as with Sir Juan Mutant or Silhouette) or because a big-name artist is weirdly associated with one, very unpopular song (as with the cloners who manage to attach their work to a legitimate artist’s name).

The process isn’t fully computerizable, only because new types of spam are always appearing. I haven’t even gotten into the horrors of:

  • joke ringtones (such as the artist Comedy Ringtone Factory Funny Ring Tones, Phone Humor — despite the comma, that’s a single entity);
  • identical new-age instrumental albums sold under different names as baby brain music, yoga background music, and a romantic soundtrack; and
  • quick-buck compilations of popular songs re-recorded as dubstep, “workout mixes”, or piano bar music.

Nor has this post touched on bizarre, one-off cases like:

  • the strange case of Deborah Weissbuch, who, as far as we can tell, simply uploaded Beatles recordings as her own; and
  • Slim Shady, the rapper who borrowed Eminem’s alias and song titles for totally non-Eminem songs. He is not the real Shady.

I could go on here, but there are only so many hours in the day, and besides, some of us have already spent hours compiling lists of our favorite Sir Juan Mutant song titles, such as “Did You Put That Man On Fire” and “I Mean Sorcery And All That.”

Have fun. And happy birthday, whoever you are.

The Echo Nest Thoroughly Enjoyed Music Hack Day Paris

April 23 3:56pm

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Music Hack Day Paris took place this last weekend and The Echo Nest was there, of course. Not only are we a founding sponsor of the event, but… come on, it’s Paris.

Ellis presented our API (above) at Deezer headquarters, which hosted the event, and which provided an excellent assortment of food including at least six varieties of pastry. On to the hacks!

Approximately 120 attendees built 32 projects. More of them used our API than that of any other company, which is becoming something of a trend at these events. Hackers also had the chance to build stuff for the humanoid robot invited to the event by our co-founder and CSO Tristan Jehan.

The Echo Nest awarded prizes to…

Jigsawng: This original, well-implemented iOS puzzle game asks the user to rearrange music chunks of a song in the correct order, similarly to how a picture puzzle game works. It was original and pretty nicely implemented. It should be available in the iTunes app store soon.

This Is My J: Inspired by This Is My Jam and Twitter’s Vine short video sharing app, This Is My J brings newfound brevity to the social music scene, allowing you to share only the most “interesting” six seconds of any song as determined by our Remix API

We were also really impressed by…

Podmapper: Designed for people who like to listen to music podcasts and DJ sets but don’t always have time to listen all the way through, Podmapper analyzes podcasts and mixes to find the songs contained therein, and translates them into a neat and tidy Rdio playlist.

WoMEn (World Music Energy): Based on the logic that GDP is a subpar way to compare countries against one another, WoMEn analyzes the energy levels of music listened to by people in various countries. The result is available in map form.

Brutalize Me: Not for the faint of heart, Brutalize Me is designed to destroy pop music by turning the singer’s vocals into a death metal growl, or by inserting heavy metal instrumentation. “Brutalness” settings include light or deadly.

Tunopoly: This nicely-designed iOS game tests your knowledge of electronic music on tiled board consisting of album covers. Players move around the board, as in Monopoly, answering questions. The first player to the center of the board wins.

RemixStation: Connect a MIDI keyboard to this interactive remix app, and you’ll be able to play various music segments, reassembling them into a complete song.

On top of those, we have Tristan’s own hack…

The Soulizer: A revamp of his video-based visualizer, The Soulizer first creates a highly-danceable, beat-matched DJ mix out of any selection of songs using our Remix API, but that’s just for starters. It then dynamically resamples “Soul Train” videos from YouTube to make them sync up with the audio. Try it at your next dance party.

(Photo: Tristan Jehan, The Echo Nest)

The Echo Nest Teams with SiriusXM for MySXM

April 15 10:06am

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SiriusXM Radio has more paying subscribers than any other music service. We’re fired up to be powering the latest enhancement to SiriusXM Internet Radio: MySXM.  

MySXM combines SiriusXM’s world-class music programmers and DJs with The Echo Nest’s Taste Profiling and Dynamic Playlisting engine. We’re confident this is the most sophisticated combination of expert human music curation and data-driven music discovery the industry has seen.

When users first start listening to a MySXM channel, they hear programming similar to the SiriusXM broadcast channel. But with MySXM, any listener can take the reins and easily personalize what they hear thanks to the power of The Echo Nest.

For over 50 SiriusXM channels, listeners can customize the programming with easy to use sliders.  Moving the sliders creates a new personalized version of the channel, based on SiriusXM’s expert programmers and the user’s own taste.  For example, say a user is listening to  “80’s on 8,” but they want more early 80’s dance tunes.  A few slider adjustments and they’re there.

The combination of professionally curated channels and the ability to fine-tune the content gives listeners an entirely new level of control.  And, users can reprogram the channel with the sliders at any time, offering a degree of control that is impossible with a traditional or satellite broadcast.

For a slightly deeper look under the hood, our Taste Profiles are building a deep (anonymous) understanding of each MySXM user’s music preference and listening trends, while our Dynamic Playlisting engine helps to generate these curated and personalized channels based on hundreds of musical attributes, cultural attributes and custom radio programming rules established by SiriusXM’s expert curators.

With the launch of MySXM, the programming knowledge of SiriusXM’s experts becomes dynamic, allowing SiriusXM to launch a highly-interactive, personalized internet radio service that maintains the music programming style that helped SiriusXM build the largest subscription music service in the world.  

The collaboration between SiriusXM and The Echo Nest has been one of the most interesting, innovative and eye-opening partnerships we’ve entered into.  After working with SiriusXM’s music programming and digital product team for over a year, we’re confident this approach will re-shape how music services think about personalized radio.   

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(screenshots via siriusbuzz)

The Echo Nest Wins ‘50 on Fire’ Award

April 5 12:58pm

The Echo Nest is a global presence, with offices in San Francisco and London and customers everywhere.

Our headquarters are in Boston. As such, we’re happy to announce that our city’s tech publication of record, BostonInno, announced its “50 on Fire” list for 2013, honoring “the city’s hottest game-changers, disruptors, and innovators,” and we’re on it.

The committee considered the Advertising, Arts & Entertainment, Design, Dining, Education, Fitness, Media, Marketing, Retail, Sports, Healthcare, Medicine, and Tech industries.

The Echo Nest joins Actifo (data management), Crashlytics (iOS/Android problem solving), Digital Lumens (intelligent lighting), ReThink Robotics (automated manufacturing), SessionM (mobile rewards), and UTest (software testing) as winners in the Tech section.

Boston is a great place to grow a business, and we’ve built a talented, passionate, world-class team here. It’s with no small amount of hometown pride that we accept this award.

The BostonInno 50 on Fire Awards

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Microsoft, Spotify, The Echo Nest, DJ Team for MixShape Contest

March 25 8:31pm

Cassettes were great for making mixes, and they will always hold a place in our hearts. These days, the options for making and sharing “mixtapes” online go far beyond what used to be possible.

One of the most advanced methods we’ve seen is MixShape, a collaboration between Microsoft, Spotify, world-renowned DJ James Lavelle, and The Echo Nest.

Designed to showcase Microsoft’s tablets and touch-sensitive computers, MixShape lets you take any of your Spotify playlists — up to 300 tracks — and analyzes them using our technology, sorting the tracks by their acoustic properties to create a mix with the optimal flow between songs, depending on what kind of playlist you want (romance, party, work, or exercise).

Then, it displays a beautiful graphic that you can actually touch, so you can reorder and “reshape” the mix with your fingertips or your mouse:

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MixShape launched today in the UK, but it’s accessible wherever Spotify is used.

This is a fantastic new way to create a top-notch mix out of your favorite music, but it’s also a month-long contest. DJ James Lavelle, who has created four MixShapes of his own, will judge the UK entries to find the best playlist. The winner will receive a Windows 8 tablet, Xbox 360, Windows Phone HTC 8X, a year’s subscription to Spotify Premium, and a print of their MixShape autographed by James Lavelle.

We’re happy whenever someone uses our stuff to make something, and even more so when that thing feels entirely new. Dragging your fingers across a screen to shape the flow of an intelligently-created playlist definitely qualifies.

You can try MixShape here.

Reebok FitList: Spotify App for Getting in Shape

March 21 9:43am

reebok spotify app

Exercise does wonders for your mood, health, and physique. The biggest barrier is getting motivated, and then staying that way.

Science proves that music helps people work out, and we all know we enjoy it more with the right music.  The Reebok FitList Spotify app unites any exerciser with the perfect music for their taste, activity, and the length of their workout. It’s free, and it makes Spotify playlists you can use on all of your Spotify devices.

Powered by The Echo Nest’s deep musical intelligence about every song in the world, Reebok FitList for Spotify (Spotify link) includes a powerful playlist generator that lets fitness freaks and former couch potatoes enter the type of exercise they are going to do; the length of their workout; desired intensity; and a favorite artist upon which to base the whole thing.

Reebok FitList then instantly generates the perfect playlist for that person and what they’re doing, with high-energy music at the appropriate tempo. It includes music from that artist, but also similar artists, for just the right mix.

Any Spotify user can use Reebok FitList to create as many exercise playlists as they want, for free. Premium Spotify subscribers can sync the music to their smartphones — perfect for the gym, jog, yoga mat, or wherever else their quest for healthy living takes them.

Reebok recently launched another exercise app: Reebok Fitness, a workout planner with exercise videos.

ArtistX Offers Astounding View of Any Band

March 18 3:16pm

The Echo Nest director of developer community Paul Lamere put together a nice new app called ArtistX over the weekend. Enter any band name, and his creation, which runs on The Echo Nest’s data, presents you with graphs and other science sure to amaze and amuse. Oh, and it also lets you listen to everything on Rdio.

This is a guest post from Paul’s Music Machinery blog:

There’s no hackathon this weekend, but that’s no excuse not to write some code. I’ve been wanting to experiment with amcharts, a Javascript charting package so I wrote a web app that shows lots of charts and graphs for artists.  The app is ArtistX. It is an artist explorer that lets you look at all of the Echo Nest song parameters for any artist. For instance, you can look at the Energy Distribution of songs by Weezer:

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You can look at the tempo distribution of songs by The Rolling Stones:

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Or you can look at scatter plots that show 4 attributes at once (X, Y, size and color). Here’s a plot of all of Muse’s songs showing the energy, loudness, hotttnesss and liveness:

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You can interact with the plots – click on a bar or point in a plot to listen to songs (via Rdio).

The app lets you explore across 11 different song parameters: energy, loudness, danceability, liveness, speechiness, hotttnesss, tempo, duration, key, time signature and mode.

You can use the app to find all sorts of interesting things. Want to listen all the stage patter for an artist?  Create scatter plot for the artist with liveness and speechiness as the X, Y parameters. The songs in the upper right-hand corner of the plot will be the ones you are looking for. Try it with an artist like Elvis Presley or Dean Martin.

Give the app a spin here: ArtistX. The source is at github/echonest/ArtistX

Groovebug Concert Vault Delivers Thousands of Shows to iPad

March 13 5:50pm

Until someone invents a time machine, the best way to experience legendary performances of the past is through recorded audio and video. Out of today’s selection of devices, the iPad is arguably the best place to experience them.

The Echo Nest has teamed with Groovebug and Wolfgang’s Concert Vault for a fantastic new live music app for the iPad (screenshots below) that lets music fans experience thousands of performances by everyone from Jimi Hendrix to Bon Iver, from the comfort of their living room, commute, beach, or wherever they find themselves.

Groovebug Concert Vault includes live audio and video performances from over 3,500 musicians from the rock, indie, blues, jazz, country, folk, and bluegrass genres, with more added daily. For $3.99 per month or $39.99 per year, music fans can access all of these shows on multiple platforms — and now, the iPad, offering a great combination of portability and screen size. The app includes native Apple AirPlay too, so you can watch them all on Apple TV with ease, listening to the audio on your surround sound system.

To see whether the app is worth their cash, fans can sign up for a seven-day free trial, allowing full access within the app as well as on the website.

The Echo Nest’s technology is all over this app, powering similar artist suggestions and more — but perhaps most importantly, helping fans find the performances most likely to set their spines atingle from this large selection of high-quality recordings. It works by analyzing your listening history to figure out what you might want to watch or listen to next.

Do you want to see The Grateful Dead at the Winterland in 1977? Perhaps you’d prefer R.E.M.’s outstanding set at the Capitol Theater in 1984, St. Vincent rocking the Great American Music Hall in 2009, or Mumford and Sons stopping by Daytrotter last October? Groovebug Concert has all of that and much more. It’s a lot to choose from, but The Echo Nest’s technology assures that the app gets better the more you use it.

Nothing replaces the feeling of being at a show as it happens. But until that time machine gets invented, Groovebug Concert Vault for iPad is the next best thing.

Here’s the Home screen:

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Here’s Jimi Hendrix live at the Fillmore (this show is audio only, but some contain video too):

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You also get a bio of every artist, as well as news and similar artists.

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Install Groovebug Concert Vault for iOS.