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San Francisco is the city associated with Boz Scaggs' nightclub, The Catalyst. Scaggs, a renowned singer-songwriter, opened the club in 1967 as a platform for emerging musicians and a gathering place for the local music scene. The Catalyst became a legendary venue, hosting performances by Janis Joplin, Jimi Hendrix, and many other iconic artists. It remains an important part of San Francisco's musical heritage, showcasing both established and up-and-coming talent.