Jerry Garcia
- electric guitar (lead), vocals
Bob Weir
- electric guitar (rhythm), vocals
Phil Lesh
- electric bass, vocals
Ron McKernan
- organ, vocals
Bill Kreutzmann
- drums, perc
Title
Muir Beach Acid Test
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Notes
According to deadlists.com, this date is reportedly Muir Beach, and 12/18/65 is Big Beat Palo Alto