[n] a musical work that has been created; "the composition is written in four movements"
A musical composition or set of compositions or an artistic work - usually on a grand scale. See also Magnum Opus.
composition, musical composition, piece, piece of music
adagio, allegro, arrangement, bagatelle, canon, capriccio, coda, creation, divertimento, duet, duette, duo, etude, fantasia, finale, idyll, intermezzo, largo, medley, morceau, motet, movement, music, musical arrangement, musical passage, nocturne, octet, octette, passage, pastiche, pastoral, pastorale, potpourri, program music, programme music, quartet, quartette, quintet, quintette, realization, septet, septette, serenade, sestet, sextet, sextette, sheet music, solo, song, study, suite, symphonic poem, toccata, tone poem, trio