Sorry for the inconvenience to Lollypop users, not sure how music playback was broken, a last minute bug must have slipped in our last release. In any case, here’s a new installer that resolves music playback issues for all Lollypop releases.
New FrostWire for Android (2.1.10) fixes Music Playback on older Android Lollypop (5.x)
Official FrostWire Blog 