Underworld are a British electronic music group formed in 1980 in Cardiff, Wales and the principal name of Karl Hyde and Rick Smith recording together. Prominent former members include Darren Emerson, from 1991 to 2001, and Darren Price, as part of the live band from 2005 to 2016.

After performing as a funk and synth-pop band, resulting in two albums between 1988 and 1989, Underworld gained prominence, after reshaping in 1993, into a progressive house and techno band and releasing seven subsequent albums, including Dubnobasswithmyheadman (1994), Second Toughest in the Infants (1996) and Beaucoup Fish (1998), as well as singles "Born Slippy .NUXX" and "Dark & Long (Dark Train)". Known for visual style and dynamic live performances, Underworld have influenced a wide range of artists and been featured in soundtracks and scores for films, television, and the 2012 Summer Olympics in London.

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