Jerry Garcia
- electric guitar (lead), vocals
Bob Weir
- electric guitar (rhythm), vocals
Phil Lesh
- electric bass
Bill Kreutzmann
- drums, perc
Keith Godchaux
- keyboards
Donna Jean Godchaux
- vocals
Mickey Hart
- drums, perc
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Notes
Based on credible tape label ("GD Practice Dubs 2-20-77"). We now believe this was a practice at home before they started paying for studio time down in LA. A band itinerary shows Kreutzmann, Garcia, Hart and Keith Godchaux flying from SF to LA on PSA #270 on the afternoon of 2/21, with session work starting 4 PM that day and continuing through 2/25.