Here is something that y'all might find useful...A dev at XDA came up with an app that allows 3rd party music players access to Google Music.
http://www.androidpolice.com/2013/03/10/new-app-gmusicfs-beta-brings-cloud-stored-google-music-to-other-media-players-on-rooted-devices/
It'll only work on rooted devices and may not work on your phone (beta) but if you wanted to use a 3rd party player with Lyric support using your cloud storage, this should do the trick!
http://www.androidpolice.com/2013/03/10/new-app-gmusicfs-beta-brings-cloud-stored-google-music-to-other-media-players-on-rooted-devices/
It'll only work on rooted devices and may not work on your phone (beta) but if you wanted to use a 3rd party player with Lyric support using your cloud storage, this should do the trick!