Meer leesvoer: Larry Austin & Douglas Kahn’s: Source Music of the Avant-garde, 1966–1973. Een keuze uit de elf issues van Source. “The journal Source: Music of the Avant-garde was and remains a seminal source for materials on the heyday of experimental music and arts. Conceived in 1966 and published to 1973, it included some of the most important composers and artists of the time: John Cage, Harry Partch, David Tudor, Morton Feldman, Robert Ashley, Pauline Oliveros, Dick Higgins, Nam June Paik, Steve Reich, and many others.”

http://www.ucpress.edu/book.php?isbn=9780520267459

http://continuo.wordpress.com/2011/09/01/source-music-of-the-avant-garde-1966-1973-book-review/