Poster for the for the 1979 San Francisco Gay Freedom Day Marching Band and Twirling Corps Superband concert, directed by Jon R. Sims. Other performers include The Varsity Drag and Men About Town. The band was founded by Jon Reed Sims in 1978 in response to Anita Bryant‘s anti-gay campaign. It was the first openly-gay musical organization in the world. The band promotes visibility and musical education for the Bay Area’s LGBTQ+ communities. Measures 15 x 27 inches.