Cage, John. (1912–1992) "John Cage in Concert" - Original FlyerOriginal flyer poster for "John Cage in Concert," a February 22, 1975 performance with Nancy Seymour in Fort Lauderdale, FL, sponsored by Broward Community College and featuring performances of Cage's works "Empty Words, Part III" and "Music for Marcel Duchamp." The striking poster design features a large mushroom surrounded by brown lettering. On the verso, a halftone photograph of Cage with the quotation, "It behooves us therefore to see each thing