Music doesn't work here for me as well. Tried from my iPhone with the normal music app.
11:41:04 T:3037462528 NOTICE: COMXPlayer: Opening: pipe://1/
11:41:04 T:3037462528 WARNING: CDVDMessageQueue(player):
ut MSGQ_NOT_INITIALIZED
11:41:04 T:2832200768 NOTICE: Thread OMXPlayer start, auto delete: false
11:41:04 T:2832200768 NOTICE: Creating InputStream
11:41:04 T:2832200768 NOTICE: Creating Demuxer
11:41:04 T:2832200768 ERROR: OpenDemuxStream - Error creating demuxer
11:41:04 T:2832200768 NOTICE: COMXPlayer::OnExit()
11:41:04 T:2832200768 NOTICE: COMXPlayer::OnExit() deleting input stream
11:41:04 T:3037462528 NOTICE: COMXPlayer: finished waiting