If it be true that music makes the world go round, the question still remains: what makes the music? Obviously, the musician. But is that all? No—as many a talented-yet-poor musician can tell you, talent is only part of the equation. Today's complex music industry requires an enormous supporting cast to make sure the music is heard. So as a prelude to this year's Louisiana Music Directory, OffBeat compiled profiles of some of the key people in the New Orleans music business. The sc...