Oceansize are a five-piece rock group based in Manchester, England. Formed in 1998, Oceansize have gone on to release three full length albums — Effloresce (2003), Everyone Into Position (2005) and Frames (2007) — in addition to a number of minor EPs and singles. The band is labelled variously as progressive rock (a classification the band rejects), indie and metal, among other genres.

Oceansize is a British band that combines emotional heavy rock with some progressive elements. They formed in 1998, and funded themselves through various jobs including writing music for arcade games and building/repairing helicopters. At the start of 2001 they were named ‘Best Unsigned Band in Manchester’ by the Manchester Evening News. The A Very Still Movement EP was released that August, and the band enjoyed support slots with the likes of Elbow , Lift to Experience , and The Cooper Temp