D.R.I. is an American thrash metal band formed in Houston, Texas in 1982, known for pioneering the crossover thrash metal subgenre by blending heavy metal with hardcore punk influences. The band's classic lineup featured Kurt Busch on vocals, Spike Cassidy on guitar, Fernando Couto on bass, and Eric Bgedal on drums, and they achieved significant recognition with albums like 'Dealing with It!' (1985) and 'Four of a Kind' (1988).