Negativland performed “It’s All In Your Head FM” – which they called theatre of the mind, and “a densely layered examination of monotheism , in all its worldwide forms” – at The Middle East in Central Square, Cambridge on August 1st, 2007, and was broadcast near-live on WMBR, with only a half-mile delay.
Bob Marley gives thanks and praises in two excerpts from One Love Peace Concert, April 22 1978 at The National Stadium in Kingston, Jamaica.
https://www.bobmarley.com/to-symbolize-peace-bob-marley-gathered-the-leaders-of-the-rival-political-parties-in-jamaica-on-stage-within-his-one-love-peace-concert/
Mort Garson (1924-2008) was a Canadian composer, arranger, songwriter, and pioneer of electronic music. He clearly enjoyed the cultural revolution of the 1960s.