Music professor, rock historian, and guitarist John Covach has suggested that tribute bands may play an important role in the future of rock music, keeping up a live performance tradition long after the original acts are gone, much as a symphony orchestra keeps the classical repertoire alive. If so, a newly filed case reported on…

Stick around until the lights come up after any movie in which characters sing “Happy Birthday to You” (and there are probably a dozen of those every year), and one of the last credits you see will be a copyright notice for that song, noting that it was used with the permission of Warner/Chappell Music,…