Orbital are an electronic music duo consisting of brothers Phil Hartnoll and Paul Hartnoll formed in Sevenoaks, Kent, England whose career originally lasted from 1989 until 2004. Orbital reformed in 2009 with the original lineup of Phil Hartnoll and Paul Hartnoll. Orbital took their name from Greater London's orbital motorway, the M25, which was central to the early rave scene and party network in the South East during the early days of acid house.

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