Ocean is a Polish rock band that was active from 1976 to 1981. Known for their fusion of hard rock, progressive rock, and folk, the band was a notable part of Poland's rock scene during the late '70s. Band members included Wojciech Pogorzelski, Andrzej Krupa, and Tadeusz Fiałkowski. Their most influential work is considered to be their self-titled debut album, "Ocean," which showcased their distinctive sound characterized by complex arrangements and heavy use of harmonica.