These are the songs from the MAD RAT DEAD OST that were used in this mod.

Tutorial: MAD RAT, ALIVE?
Lobby: MAD RAT HEART
Training: Cottage House
1-1: RAT's Dream
1-2: HEART's Beat
1-3: Cheddar Chaser
2-1: Drain
2-2: electroQtie
2-3: Distorted Graffiti
3-1: Stilton
3-2: Yellow invitation
3-3: plash, plop, gurgle
4-1: Mini MOON
4-2: Sprinting Night
4-3: Kind of Hope
5-1: Neo-Opportunist
5-2: Emmental Catalepsy
5-3: Heartless being
King Konga: Bad Feeling
Deep Blues: Cheesy Trap
Death Metal: Black Fear
Coral Riff: Ghost of Culvert
Fortissimole: Sweet trip
Dead Ringer: MAD HEART
The Necrodancer (Cadence): Mimolette
The Necrodancer (Melody): MAD RAT, DIE
The Golden Lute: MAD RAT, DIE
Frankensteinway: Fermented Dream
The Conductor: MAD RAT, DIE