they'd have two vats. one was punch and one was punch with lsd. >> the acid tests were like a party. the scene is a lot of light shows and music and people dancing. when the dead were playing, it was a way to feel that acid in waves. and i looked down and i saw kids in front of me moving to the music. they looked up at me and i said, "yeah." ♪ >> the drug culture really took hold. and that's where artists, whether it was the grateful dead or jefferson airplane, were able to embrace it and put it in their music. >> the counterculture in california is born because more and more people want to try to experience what kesey experienced, and he kind of became the grand poobah of the