Google is launching today the YouTube Audio Library, offering any YouTube creator access to more than 150 royalty-free instrumental tracks they can use for free, for any creative purpose (not just YouTube videos). You’ll find a link to the library in your video manager and you can browse the tracks by mood, genre, instrument and duration. The tracks can be downloaded as 320 Kbps MP3 files.

The tracks were provided by musicians in LA, music houses across the country and a well-known music producer in Brooklyn. And it turns out the latter produced albums for Phish and Sean Lennon.