Control Google Music from your address bar.
Simply click the icon in the address bar to play and pause Google Music, no matter what tab you're in!
Upon installation, reload any open Google Music tabs and you'll be all set.
Update:
- Added options to change default account and auto-shuffle behavior, plus general bug fixes.
Get the rewind button here:
https://chrome.google.com/webstore/detail/jecmhknpaakaljaahcpjpojlomilfcbk
Get the skip button here:
https://chrome.google.com/webstore/detail/bbeefcjnjicgkpjbhdnbegckifhooeeo