Moore, Peter. Mieko Shiomi's Disappearing Music for Face, performed by Mieko Shiomi and Alison Knowles during Perpetual Fluxus Festival, Washington Square Gallery, New York, October 30, 1964, 1964. Gelatin silver print, sheet: 4 1/4 × 6 7/16" (10.8 × 16.4 cm). The Gilbert and Lila Silverman Fluxus Collection Gift, 3740.2008.D03. (Photo: MoMA)