Tarel's Undertale discs

All the changes:

13 = Once Upon a Time

11 = Fallen Down

blocks = Reunited

bounce = Memory

chirp = Hopes And Dreams

creator = Death By Glamour

creator (music box) = Song That Might Play When You Fight Sans

far = Mysterious Place

lava chicken = Uwa!! So HEATS!!♫

mall = Bonetrousle

mellohi = NGAHHH!

otherside = Dummy!

pigstep = ASGORE

precipice = Finale

relic = SAVE The World

stal = Spider Dance

strad = HOME

cat = HOME (Music Box)

tears = Megalovania

wait = Metal Crusher

ward = Your Best Nightmare

5 = Gaster's Theme