Oceansize was a British rock band formed in 1998 in Manchester. Known for their unique blend of post-rock and alternative music, they gained a dedicated following with their intricate soundscapes and emotive lyrics. The band released several albums, including Effloresce and Everyone Into Position, which showcased their musical evolution and complexity. The group disbanded in 2011 after a successful career, leaving behind a legacy of influential music. Their style has been compared to other bands in the genre, such as Explosions in the Sky and Sigur Rós, and they are often celebrated for their contributions to the post-rock scene.