Underworld became one of the most crucial electronic acts of the 1990s via an intriguing synthesis of old and new. The trio's two-man frontline, vocalist Karl Hyde and guitarist Rick Smith, had been recording together since the early-'80s new wave explosion; after two unsuccessful albums released as Underworld during the late '80s, the pair finally hit it big when they recruited Darren Emerson, a young DJ hipped to the sound of techno and trance. Traditional pop song forms were jettisoned in favor of Hyde's heavily treated vocals, barely there whispering, and surreal wordplay, stretched out over the urban breakbeat trance ripped out by Emerson and co.