17 Mar SIMULSENSORY CIRCUS PREVIEWS MUSHROOM – 1ST ENVIRONMENT ROCK THEATER. 1967
Hollywood, FL: Hollywood Sportatorium, 1967
28 x 21.5cm, 1pp b/light green offset leaflet for a performance by the Florida-based group Mushroom. There is no co clear relation to Yalkut, but given it came from his own archive it is likely they screened his John Cage mushroom short. VG.