App teaches you how to play any online song

Riffstation Play is an online app that gives you the guitar, ukulele, piano chords and notes to pretty much any song you can find online. It even includes a search engine. The chord diagrams are on the right, while a bar displaying the chords scrolls below. It syncs to the video. With a library of 10 million songs and still growing, it looks like it will never run out of things to play.

“Not only are we able to provide chords for any version of any song in the world, we also get to collect the data on what songs are most popular within the guitar player community,” Dan Barry, cofounder of Riffstation, told TechCrunch.

“Furthermore, the fact that our chord recognition is automatic, means that the size of our catalogue is limitless. Our index already has over 10 million songs listed.” Riffstation uses an automatic chord recognition algorithm that “detects major, minor and 7th triads with about 85 per cent accuracy in typical rock/pop music,” according to the website. It’s still in beta, but at least one thing it’s working on is allowing users to fill in a proper chord if the algorithm messes up.