The founding members were Jerry Garcia ( guitar , vocals ) , Bob Weir ( guitar , vocals ) , Ron `` Pigpen '' McKernan ( keyboards , harmonica , vocals ) , Phil Lesh ( bass , vocals ) , and Bill Kreutzmann ( drums ) .
The other members were Bob Weir ( guitar and singing ) , Phil Lesh ( bass guitar ) , Ron `` Pigpen '' McKernan ( keyboards , harmonica , and singing ) and Bill Kreutzmann ( drums ) .