D.R.I. (aka Dirty Rotten Imbeciles) were one of the first bands to fuse hardcore punk with thrash metal, along with Suicidal Tendencies and Corrosion of Conformity. Starting off as a speedy, straight-ahead punk band, they gradually mixed more elements of heavy metal into their sound; as they did so, their songs got longer and featured more sections and more variety in tempo. D.R.I. managed the then-rare feat of crossing over to metal audiences while retaining their skatepunk and hardcore fan bases -- they had something for all those audiences to love (or hate). Vocalist Kurt Brecht and guitarist Spike Cassidy were the two constants throughout the band's frequent lineup shifts, and kept them going for well over a decade.