A few days ago I saw a post saying "music is just very loud math". This may be true sometimes, and may be the driving force for many kinds of music. It is an understandable perspective for more STEM inclined people.
I think music is something that speaks to you. When I want to write and/or perform music that speaks to an audience, I have to think of music as a language.
When I say "music is something that speaks to you", I mean that quite literally. The way our brains actually hear music, it is very close to how we process speech and language.
Speech in particular is interesting because there's a layer of nuance that goes beyond the pure semantics. Inflection, prosody, etc. These are things that pop up in music, and in my experience as a musical performer, were at the heart of what made that music "work".
It's been said that Shakespeare used blank verse as a tool for the actor (not the audience). It was said to closely resemble naturalistic speech, and helped actor remember the lines. I see mathematics in relation to music in a similar way. It can be a helpful tool for the composer or even the performer, but it's a means to an end.
Speech and language isn't a means to an end either, but I find it to be a more potent tool.