Audroid allows you to monitor and manage the status of all the Android volume levels independently.
Also Audroid Pro with all the features enabled is on SlideMe:
http://slideme.org/application/audroid-pro
Arrow Jazz FM brings you cool, funky jazz all day long.
The Best Guitar Songs FREE includes lyrics and tablatures for some of the best songs in recent history. You will find comments and recommendations, along the picking, solos, chords, licks and other useful information like the entry music.