A swirling multiverse of 60's psychouts.

Here are a few more:

Terry Riley, A Rainbow in Curved Air https://youtu.be/eKg_R1W94G0

Terry Riley and John Cale, The Hall of Mirrors in the Palace at Versailles https://youtu.be/fQih9k3Swoo

Steve Hillage, Aftaglid https://youtu.be/YkPyzEmwt8c

Yardbirds, Happenings Ten Years Time Ago https://youtu.be/TEpEoR-oo2E