vocal vs golden oldie

vocal and golden oldie both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocal	Yes	Yes	No	No
golden oldie	Yes	No	No	No

As nouns, golden oldie is a hyponym of vocal; that is, golden oldie is a word with a more specific, narrower meaning than vocal:

vocal (noun)	golden oldie (noun)
music intended to be performed by one or more singers, usually with instrumental accompaniment	a song that was formerly popular
a short musical composition with words

vocal (adjective)	golden oldie (adjective)
having or using the power to produce speech or sound
relating to or designed for or using the singing voice
given to expressing yourself freely or insistently
full of the sound of voices