Grooveshark is a mobile music download service designed for smartphones that allows you to take a world's worth of music with you wherever you go. You can easily create custom soundtracks with this mobile service which make picking and playing any song simple. You can take your Grooveshark playlists with you on the subway, in the car, or to your next party.

The Grooveshark Mobile service also offers a variety of radio stations that will take your music preferences and match them up with new songs that you'll love. Grooveshark was developed by undergraduate students at the University of Florida who wanted to battle music piracy while streaming free music everyone. Standard Grooveshark accounts are free, but there are several subscription tiers as well which are priced between $6 and $9 per month.