when kesey held these acid tests, as they were known, they'd have two vats. 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 carnival of san francisco in the '60s. >> there's nothing grown-up or sophisticated in taking an lsd trip at all. they're just being complete fools. keep your car cleaner longer. armor all extreme shield plus ceramic. spray, lift, skip, step. swipe, lift, spin, dry. slam, pan, still...fresh move, move, move, move aaaaand still fresh. degree. ultimate freshness activated when you move. ♪ birds flyin' high, you know how i feel. ♪ ♪ breeze drifting on by you know how i feel. ♪ ♪ it's a new dawn... ♪ if you've been taking copd sitting dow