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November 20, 2012 AT 5:00 am

The Infinite Jukebox

InfiniteJukeboxMetallica

Here’s a unique weekend hack music project leaning on The Echo Nest that might well by a Pandora/Spotify/internet radio/killer at my next party: a tool that discovers relationship in parts of a song so that it can continue to slice and dice endless, seamless remixes of the same track, hour after hour.

From Paul Lamere’s Music Machinery:

For my weekend hack, I took the idea from my Iceland hack (Infinite Gangnam Style), and made it work with any song. The result is The Infinite Jukebox.

With The Infinite Jukebox, you can create a never-ending and ever changing version of any song. The app works by sending your uploaded track over to The Echo Nest, where it is decomposed into individual beats. Each beat is then analyzed and matched to other similar sounding beats in the song. This information is used to create a detailed song graph of paths though similar sounding beats. As the song is played, when the next beat has similar sounding beats there’s a chance that we will branch to a completely different part of the song. Since the branching is to a very similar sounding beat in the song, you (in theory) won’t notice the jump.  This process of branching to similar sounding beats can continue forever, giving you an infinitely long version of the song.

To accompany the playback,  I created a chord diagram that shows the beats of the song along the circumference of the circle along with with chords representing the possible paths from each beat to it’s similar neighbors.  When the song is not playing, you can mouse over any beat and see all of the possible paths for that beat.  When the song is playing, the visualization shows the single next potential beat.  I was quite pleased at how the visualization turned out. I think it does a good job of helping the listener understand what is going on under the hood, and different songs have very different looks and color palettes. They can be quite attractive.

Read More.

And while you are at it, give “The Game Has Changed” by Daft Punk, “Sabotage” by the Beastie Boys, and “Come Together” by the Beatles a try! Or you can try tying somebody to a chair and launching the Infinite Gangnam Style project that Lamere was inspired by or “Nyan Nyan Cat” — they really never stops!


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