Sunshine: I reviewed my module again, but I couldn't find any wrong thing in my module. Have you listened original kh version of this song with uade123?
I also downloaded quad channels output enabled version of uade123 and compiled it from its sources, then listened each channel separately, but I noticed no difference from my module (except for hissing noises I filtered).
Kick and snare sounds (you mentioned) seem as the exactly same frequency as the original one.
The kick and snare sounds comes from the right speakers; however I didn't want to separate sounds of bass and breathy flute to different speakers. Original one separated these into different speakers because of Amiga's restrictions (each speaker has 2 channels, so each sound should come from only one speaker if you want to use 4 channels completely).
In addition, I didn't want to fold all the instruments into 4 channel. Using 7 channels, you can mute each rhythm that you want or just voices. You can listen to music with some rhythms missing or voices missing by muting the channels you want. Using just 4 channels, this is not possible.
Re: Thanks for your precious comments related to my new module. I will work on it more according to your comments. There will be a new upcoming version.