Organised by the International Society for Krishna Consciousness as a fund-raising event for a local temple and as a promotional event for the movement’s founder and chief evangelist, Bhaktivedฤnta Swฤmi, the titular concert and service was hosted on this day in 1967 in San Francisco's Avalon Ballroom (a familiar venue). The evening included performances by Moby Grape, Big Brother and theHolding Company with Janis Joplin, and the Grateful Dead with speakers Owsley "Bear" Stanley, Timothy Leary and Allen Ginsburg, leading the audience in the Maha Mantra chant.