-Music Credits:
Menu Music:

Menu1 = No Copyright Music - Spook
Menu2 = No Copyright Music - Spook 2
Menu3 = No Copyright Music - Spook 3

Nether:

Nether1 = No Copyright Music - Ghost Story
Nether2 = No Copyright Music - Ghost
Nether3 = No Copyright Music - Something Wicked

Music Discs:

blocks:
far: Gooseworx - Song that might play when you fight sans remix
cat: The Living Tombstone - Spooky scary skeletons remix
chirp: Bobacupcake - theme of really spooky bird
stal: Pixel Sketch - Stal (Spooky Version)
blocks: Bobby Pickett - Monster Mash