Musicians and artists have always shared mutual interests and exchanged theories of art and creativity. This exchange climaxed just after World War II, when a group of New York-based musicians, including John Cage, Morton Feldman, Earle Brown, and David Tudor, formed friendships with a group of painters. The latter group, now known collectively as either the New York School or the Abstract Expressionists, included Jackson Pollock, Willem deKooning,...