2Cellos (stylized 2CΞLLOS) were a Croatian cellist duo, consisting of classically trained cellists Luka Šulić and Stjepan Hauser. Signed to Sony Masterworks in 2011, they released six albums. The duo played instrumental arrangements for cellos of well-known pop and rock songs, as well as classical and film music. The duo performed internationally and were featured on several American television series including Glee and The Bachelor (Sean and Catherine's Wedding). They continue to be active as solo performers.