Deep Blue is the alias of electronic and drum and bass musician Sean O'Keeffe. O'Keeffe started producing music in 1991 with the hardcore band 2 Bad Mice, co-writing their hit Bombscare. In 1993 he began to write and release under the alias Deep Blue, producing one of drum and bass's biggest anthems The Helicopter Tune (also heard in the Playstation 2 game GTA liberty city stories) for the legendary Moving Shadow label.
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