[American Avant-garde] Cage, John. (1912–1992) Original Photograph with David Tudor and Gordon MummaOriginal photograph of the influential American composer, shown in preparation for a concert at the University of Colorado Music Hall. "With him are Gordon Mumma, left, whose piece 'Home' was to be performed, and David Tudor, busy with the intricate connections demanded by the maze of electronic equipment for production." 10 x 8 inches, crease upper left corner, else fine.