Phil Lesh was a member of the band Grateful Dead .
The founding members were Jerry Garcia -LRB- lead guitar , vocals -RRB- , Bob Weir -LRB- rhythm guitar , vocals -RRB- , Ron `` Pigpen `` McKernan -LRB- keyboards , harmonica , vocals -RRB- , Phil Lesh -LRB- bass , vocals -RRB- , and Bill Kreutzmann -LRB- drums -RRB- .