indeed , the trip is a recurring theme of `` sweet chaos '' : the trip on drugs -- first lsd , then for some -lrb- like garcia , who died of it -rrb- , heroin -- that often seemed inseparable from the dead 's expansive , mercurial music ; the literal trip from gig to gig that defined the band members ' daily lives ; and the musical trip , the high of performing -- `` the pow .