martial music vs marching music

martial music and marching music both are nouns.

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

As nouns, marching music is a hypernym of martial music; that is, marching music is a word with a broader meaning than martial music:

martial music: brisk marching music suitable for troops marching in a military parade
marching music: genre of music written for marching

Other hypernyms of martial music include march.

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