Instead of staying inside the car as they were stuck in traffic, they inside decided to pop the trunk and sit in there! While some people turned the offer down because of that, people like Janis Joplin decided to give it a whirl.
Fringe and beads may have been hippie fashion essentials, but if you didn't have a blanket when the morning mist came rolling in off the Catskills, you were underdressed.
Image source: Henry Diltz Image source: Image source: While many greats like Janis Joplin appeared, other declined for various reasons.