The Museum of Performance + Design, formerly the San Francisco Performing Arts Library & Museum, is located in the SoMa District of San Francisco, California at 893B Folsom Street. The Museum collects and makes accessible materials about the performing arts, with a special emphasis on documenting and preserving the San Francisco Bay Area’s rich and diverse performing arts heritage from the Gold Rush to the present. The museum produces public and educational programs, provides library services to researchers, and conservation and archival services to performing arts institutions.The Museum's collection includes personal papers of prominent artists, original costumes and design renderings, audio-visual recordings of live performances, original artwork, other artifacts and ephemera. The Museum also serves as the official archives for many local performing arts organizations including the San Francisco Ballet, San Francisco Opera, Stern Grove Festival, and the San Francisco Ethnic Dance Festival.

• http://en.wikipedia.org/wiki/Museum of Performance & Design