The Rocky Horror Picture Show Halloween Audience Par-Tic-I-Pation! Midnight Screening
From RockyWiki
The Rocky Horror Picture Show Halloween Audience Par-Tic-I-Pation! Midnight Screening was an event held at the Roxy Theatre on October 31, 1983.
The promotional event was held for the release of Say It! The Rocky Horror Picture Show Audience Participation Album, and included an introduction from Rocky Horror Elder Sal Piro and a performance by The Transylvanian Revue.