That [John] Cage’s challenge to our musical beliefs, attitudes, and practices is posed from the difficult perspective of a Zen master has often been discussed. What has been neglected both by Cage himself and by others is another equally potent challenge to the ordinary which Cage formulates in a related but distinct voice: that of the philosopher. Through his relentless inquiry into new music, Cage had defined certain radical possibilities for musical change. What is in effect his skepticism about music (...) as we know it contains a cogent analysis of our musical concepts and practices: of what it is for us ordinarily to believe that something is music as opposed to not music, and of how those beliefs about music connect with styles of feeling and treating what we hear when we hear it as music. Indeed it is Cage’s genius to have established the topic of skepticism about music as an issue for philosophy and cultural criticism. Cage’s radical perspective on our musical beliefs allows us to consider both what those beliefs are and whether and how they might be justified. This invitation to philosophical response is an important feature of the avant-garde which Cage shares with Duchamp in plastic art, Gordon Matta-Clarke in architecture, and others. I wish to give it its due by outlining and addressing Cage’s skepticism about music. Daniel A. Herwitz is an assistant professor of philosophy at California State University, Los Angeles. He is currently at work on a book exploring philosophical tendencies in twentieth-century music, art, and architecture. (shrink)