This is a simple workflow for controlling Google Play Music playback/search in Chrome. It is updated for the version of the web-based music player that was released ~May 2015.
The workflow uses the following keywords to control playback in an open Google Play tab:
- 'gpp': Play/Pause
- 'gp prev': Previous Song
- 'gp next': Next Song
- 'gp search <search term>': Search Music for <search term>