THIS WEEK's MUSIC 27 EFTA_R1_02123315 EFTA02710738 Grateful Dead in 1970. Left to righ=: Bill Kreutzmann, Ron "Pigpen" McKernan, Jerry Garcia, Bob Weir= Mickey Hart, Phil Lesh The Grateful Dead was an American rock band formed in 1965 in Palo Alto, California under the name of The Warlocks but quickly change i