musical vs singing

musical and singing both are nouns.

Word	Noun	Adjective	Verb	Adverb
musical	Yes	Yes	No	No
singing	Yes	Yes	No	No

musical (noun)	singing (noun)
a play or film whose action and dialogue is interspersed with singing and dancing	the act of singing vocal music
	disclosing information or giving evidence about another

musical (adjective)	singing (adjective)
characteristic of or resembling or accompanied by music	smooth and flowing
talented in or devoted to music
containing or constituting or characterized by pleasing melody
characterized by or capable of producing music