If you know of any other ways to share music on Twitter that we should be aware of, please let us know in the comments. 1. Tinysong Tinysong is a very basic URL shortener for music powered by P2P music sharing service Grooveshark. On the plus side, that means it has a huge library of songs to draw from, but it also isn't very tightly integrated with Twitter. Tinysong is dead simple: search for son