Laurel and Hardy - United States slapstick comedy duo who made many films together

musical group, musical organisation, musical organization - an organization of musicians who perform together

primo - the principal part of a duet (especially a piano duet)

secondo - the second or lower part of a duet (especially a piano duet)

musical composition, opus, piece of music, composition, piece - a musical work that has been created; "the composition is written in four movements"