Musicians Jerry Garcia - electric guitar (lead), vocals Bill Kreutzmann - drums, perc Bob Weir - electric guitar (rhythm), vocals Mickey Hart - drums, perc Phil Lesh - electric bass, vocals Ron McKernan - organ, vocals Tom Constanten - keyboards 

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Blood, Sweat & Tears and Spirit

 On the weekend of January 2-4, 1969, the Grateful Dead were booked to headline the Fillmore West from Thursday to Saturday. Although neither of the Dead's two albums had been successful, really, the Dead were genuine rock stars in San Francisco, and had been since 1966. The Dead had co-headlined an epic party at Fillmore West on New Year's Eve, and they were back for more a few days later. We know the weekend was a success, because Graham appears to have added a Sunday afternoon show. In general, Graham only did this when the rest of the weekend's ticket sales had been robust. So it had to have been a pretty good weekend.