This is one killer app. Its got pretty much any song you can think of. I tried finding some of the most popular ones and the least popular. Amazingly, the results were filled with the right songs I wanted. If you can’t find a particular song that you are looking for, Grooveshark is your best bet.

Grooveshark is the world’s largest on-demand music streaming and discovery service. Over 30 million users flock to Grooveshark to listen to their favorite music, create playlists, discover new tunes, and share it all with friends via Facebook, Twitter, social news sites, and more.

So go ahead — try it out! If you have any feedback or questions, we would love to hear them.

Tell me what you think of it?