musical composition vs morceau

Other hyponyms of musical composition include sheet music, arrangement, musical arrangement, realisation, realization, intermezzo, introit, solo, duet, duette, duo, trio, quartet, quartette, quintet, quintette, sestet, sextet, sextette, septet, septette, octet, octette, bagatelle, divertimento, serenade, canon, etude, idyl, idyll, pastoral, pastorale, sonata, toccata, fantasia, musical passage, passage, movement, larghetto, suite, symphonic poem, tone poem, medley, pastiche, potpourri, nocturne, notturno, song, vocal, study, capriccio, motet, program music, programme music, incidental music, csardas, czardas.