Grooveshark
Grooveshark mode should load automatically when you visit grooveshark.com. It will allow you to play, pause, skip to next/previous song, and toggle mute.
The default keybindings are:
- Play/pause: C-c RET
- (Un)mute: C-c C-m
- Next song: C-c C-n
- Previous song: C-c C-p