vocalizer vs musician

vocalizer and musician both are nouns.

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

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

Other hypernyms of vocalizer include instrumentalist, player.

vocalizer (noun)	musician (noun)
a person who sings	artist who composes or conducts music as a profession
an organism that can utter vocal sounds	someone who plays a music as a profession