martial music vs military music

martial music and military music both are nouns.

Word	Noun	Adjective	Verb	Adverb
martial music	Yes	No	No	No
military music	Yes	No	No	No

As nouns, martial music and military music are synonyms defined as:

martial music and military music: brisk marching music suitable for troops marching in a military parade

Other synonyms of martial music include military march.

martial music (noun)	military music (noun)
brisk marching music suitable for troops marching in a military parade	brisk marching music suitable for troops marching in a military parade