Remember a while back when you uploaded all that audio to Google Music? Good news! You can download those tunes now.
Google just pushed a new version of Music Manager that allows you to download previously uploaded and purchased tracks. The music files are downloaded as 320kbps mp3s.
The Music Manager also features an interesting bit of YouTube integration. If a YouTube video is available for a track, you can post that video to Google+. Because you know they weren't going to have an update without throwing some Google+ love in there. [Google Music]