Ok. So I'm not an audiophile and I often play with no background music whatsoever. However, Ivan Ivanoff recommended this sound pack to me for my PirateZ LP, as something at least better than the original midi files I was using from the steam version.
I went ahead and checked it out. I have to say, I'm very impressed! There is a rich texture of undertones that comes through in this version that isn't there in other versions. I like it alot.
Copied the files into /data/sound. Set music format to .ogg and sample rate to 48k. Very nice.