This is why I turned the MIDI soundtrack into .ogg files. This is the only way I could find to improve the sound quality.
However, I could include the .mid soundtrack from the first version of Sonic Jump as well, but GdGohan refused ^^'
By the way, I won't update the Sonic Jump Anniversary demo before a few weeks later, as I'm busy updating Sonic Advance and doing other things. I guess GdGohan is also busy working on other projects at the moment ^^'