His Master's Wheels

US recording studio founded by producer Elliot Mazer in January 1973 as a mobile recording truck, and moved to a permanent location in San Francisco, California in October 1973.

First built in order to record a Time Fades Away. The concept was to have a self-sufficient mobile recording studio.

The physical studio was originally founded as His Master's Wheels, who installed the equipment from his mobile recording truck into the studio, and after several months bought the studio outright.