Bardo Follies (1967)

A shot of a Southern Belle waving to a group of tourists on a pleasure boat ride is looped, multiplied and then melted, creating psychedelic abstract images. “A paraphrasing of certain sections of the Tibetan Book of the Dead in motion picture terms.” - Harvard Film Archive. Originally ran 45 minutes, then was edited down to 30, then 20 minutes. Final version was simply entitled "Diploteratology" and runs 7 minutes, and is the most commonly shown version.