The story of the T-Bones -- the American group, not the U.K. band notable for being managed by Giorgio Gomelsky and as the professional starting point for Keith Emerson -- is a tale of unexpected consequences. They were an instrumental group that wasn't a real "group" at all, and weren't supposed to do more than record. That there was ever a performing version of the "group" was a result of one single being too good, and having such potential, that the possibility of live appearances couldn't be passed up. And then that performing group proved more durable than the concept (or...