Wouldn't it be nice to be able to access Google Player (former Google Music) directly from Rhythembox?
Nuvola Player is nice but standalone player. Is there a similar Rhythembox plugin or any current ongoing work on such?
There is a daap plugin for Google Music here that is currently unmaintained: https://github.com/dpogue/gmusic-daap. From the author:
Another option: I'm working on an unofficial api for Google (Play) Music, and it currently supports everything needed to build such a plugin. The author of the linked daap plugin is working with me.
It's in Python, and there's a C# port in progress. I may port some features into Java, too.
Here's the link: https://github.com/simon-weber/Unofficial-Google-Music-API.
There is a plugin:
It works fine, just you cannot filter by artist but it can see your gmusic playlists