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
Mickey Hart
- drums, perc
A demonstration in London's Grosvenor Square against U.S. involvement in the Vietnam War leads to violence; 91 people are injured, 200 demonstrators arrested.