One for the heads, CSNY by a pool at the Esalen Institute in Big Sur Nothern Calfornia in 1969, pretty damned cosmic I’d say…

CSNY live at Big Sur (Esalen Institute), California, September 14, 1969. Neil Young (vocal, guitar), Stephen Stills (guitar, vocal), David Crosby (guitar, vocal), Graham Nash (keyboards), Greg Reeves (bass), Dallas Taylor (drums).