/ Thesaurus / P Synonyms of piece of music Find synonyms for: Noun1. musical composition, opus, composition, piece, piece of music, musicusage: a musical work that has been created; "the composition is written in four movements"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language