18:05World Have Your SayLive from the Rock and Roll Hall of Fame, ClevelandBBC World Service Duration: 55 minutes Tue 11th Oct 2011, 18:05 on BBC World Service OnlineAvailable for over a yearListen nowBroadcast live from the Rock and Roll Hall of Fame in Cleveland: Where has protest music gone?GenresNewsFormatsDiscussion & TalkBrandWorld Have Your Say Source: BBC Online