concerted music vs polyphony

concerted music and polyphony both are nouns.

Word	Noun	Adjective	Verb	Adverb
concerted music	Yes	No	No	No
polyphony	Yes	No	No	No

As nouns, concerted music and polyphony are synonyms defined as:

concerted music and polyphony: music arranged in parts for several voices or instruments

Other synonyms of concerted music include polyphonic music.

concerted music (noun)	polyphony (noun)
music arranged in parts for several voices or instruments	music arranged in parts for several voices or instruments