On this Date in 1967...

...the "ultimate high" of the hippie era, the Mantra-Rock Dance, takes place in San Francisco and features Janis Joplin, Grateful Dead, and Allen Ginsberg.  Though many of those who attended weren't really sure if they actually saw these artists perform, or if it was all a hallucination.  Either way, everyone agreed that it was "Tooootally Awwwwwesome!"