The issue with the hitsounds being soft is actually not due to any bug, but due to how pitch and frequency is interpreted - if everyone can remember the Online Offset map, remember that the sounds become softer when they're perfectly aligned, because... i'm not entirely sure. Something about pitch frequency, but it happens with sounds that are very similar in pitch and volume.Yeah I think that's a case of one area of the audio spectrum getting capped out super hard, lowering everything else in normalization.
I specifically avoided that in this set (it happened a couple of times in development with one of the clap sounds, hehe)
In the New Astronomas map you can hear the normalization struggling to keep up with how loud the hitsounds are, actually, it's fascinating.
I think the audio levels in this set are fine as a base setting..? I don't think it would be too hard for people experiencing this to turn down the music volume a little bit, like peppy demonstrated.