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 group 2 Bad Mice, co-writing their hit, "Bombscare". In 1993, he began to write and release under the alias Deep Blue, producing "Helicopter Tune" (also heard in the PSP and PlayStation 2 game (2005) and in the game (2005) for the Moving Shadow record label. The track reached number 68 on the UK Singles Chart in April 1994.[1]
In 1997, Deep Blue was one of several Moving Shadow artists which left the label to form their own imprint, Partisan Recordings.[2]
O'Keeffe collaborated with Rob Haigh, who recorded for Moving Shadow as Omni Trio, to record a joint album under the pseudonym Black Rain in 2003, on a new label they created called Scale. In 2005, he released his first solo album for the label under the Deep Blue guise, entitled Metropolitan Chic.