The revival of Julius Eastman's work has transformed the world of avant-garde music, and in many ways can be attributed to a single individual. Since the late 1990s, the composer and performer Mary Jane Leach has collected manuscripts and recordings of Eastman's music, and helped bring about the current wave of "Eastmania." But the politics of Eastmania have become increasingly complicated, and Leach has found herself enmeshed in controversy around who can make claim to his legacy. A conversa...