Add to My List分享Playback issues? Try another server.Server 1Server 2Server 3Server 4Server 5Server 6Server 7Server 8Server 9Server 10Server 11Server 12Server 13Server 14Server 15What Difference Does It Make?2014595 分钟DocumentaryMusic上映2014年2月17日国家United States of AmericaDirectorRalf SchmerbergA documentary that explores the challenges that a life in music can bring.