Unfortunately the game has a binary music setting- I think the only way to lower the sound is to turn it off entirely or use your volume mixer.
that’s what I tried to do, but the screen reader doesn’t give me that option. It’s probably there, but pushing enter on the music button or the unnamed clickable next to the music button does nothing. This is a blind accessibility issue, and this really is a shame because the rest of it is completely accessible, but I just can’t hear anything over The obnoxiously loud music.