San Francisco the San Francisco Ballet, while the San Francisco Symphony plays in Davies Symphony Hall. The Fillmore is a music venue located in the Western Addition. It is the second incarnation of the historic venue that gained fame in the 1960s, housing the stage where now-famous musicians such as the Grateful Dead, Janis Joplin, Led Zeppelin and Jefferson Airplane first performed, fostering the San Francisco Sound. San Francisco has a large number of theaters and live performance venues. Local theater companies have been noted for risk taking and innovation. The Tony Award-winning non-profit American Conservatory Theater (A.C.T.) is a member of
Sega Studios San Francisco was to be used for a massively multiplayer online role-playing game called "Proteus", a successor to "Star Wars Galaxies". Development of Pangaea was halted in 2004 after Lucasarts reorganized under Jim Ward. Some of the ideas later informed the design of the studio's internal Riders engine used on "" and "Iron Man". Sidecar was a standalone UI authoring tool and SDK. Sidecar was used on several projects both internally and externally, among them, "", by Z-Axis. Sega Studios San Francisco Sega Studios San Francisco, formerly known as Secret Level Inc, was an American video game developer based in San Francisco,