DoubleTwist is certainly still one of the better music management options for Android, and it just keeps improving. Two days ago the player app got an update and now it can hook into Google Music, though, it only recognizes songs that you've checked for offline access from within the Google app. An unfortunate restriction, but at least your tracks don't disappear into the ether if you prefer to play back your tunes via DoubleTwist. There's also new functionality coming to what is now less an app than an ecosystem, thanks to the just released DoubleTwist Alarm C