- All songs (At least the ones from the main levels) were replaced by remixes from the Official Soundtrack

- Fixed some themes loops
- Mines theme changed to "Bomb Candy Mines B"
- Ashpit theme changed to "Cinnamon Springs B"
- Mega Satan theme changed to "Vs. Satan"
- Utero theme changed to "Concrete Jungle B (OLD)"
- Downpour theme changed to "Slowroast Sewer B" and "Slowroast Sewer A" for the layer music
- Downpour Reversed theme changed to "Slowroast Sewer C"
- Beast theme changed to "Satanic Panic (Vs. Satan Fulliest version)"

Fixed some music loops + Intros