sfmoma:

Ready for a mind bender? Check out our latest Artcast featuring conceptual artists John Cage, Tom Marioni, and Mel Bochner! LISTEN→
Pictured: installation view of Mel Bochner’s “Smudge” with Bruce Nauman’s “Wax Impressions of the Knees of Five Famous Artists” and “Device for a Left Armpit”; photo by Ian Reeves