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

set - a group of things of the same kind that belong together and are so used; "a set of books"; "a set of golf clubs"; "a set of teeth"

assemblage, gathering - a group of persons together in one place

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