jazz musician vs musician

jazz musician and musician both are nouns.

Word	Noun	Adjective	Verb	Adverb
jazz musician	Yes	No	No	No
musician	Yes	No	No	No

As nouns, musician is a hypernym of jazz musician; that is, musician is a word with a broader meaning than jazz musician:

Other hypernyms of jazz musician include instrumentalist, player.

jazz musician (noun)	musician (noun)
a musician who plays or composes jazz music	artist who composes or conducts music as a profession
	someone who plays a music as a profession