Part of the education of The Doors in the City by the Bay took place at The Human Be-In, a festival featuring music, activists, and spirituality in Golden Gate Park. Twenty thousand or more people had gathered to protest a California law banning LSD that had passed the previous fall. The Doors played elsewhere throughout the weekend but weren’t established enough to play the festival. The experienced the hippie vibe, firsthand, though as part of the throngs of people that descended on San Francisco, ultimately launching the “Summer of Love.”