Warning: This section contains spoilers for the game. Scroll down if you wish to see them.
Lobby Music: Milwaukee Protocol - Aleve serenity
Effortless Music: KeyAfterKey - i could never forget
Easy Music: Frums - Options
Neat Music: OMORI OST - White Surf Style 6
Medium Music: Frums - Jam with Pancake
Hard Music: Frums - memoryfactory.lzh
Gateway Music: Silentroom - Nhelv
[PRIMARY] Music: Aden Mayo - Fjord of Winds (Remix)
30 Music: Frums - (unable to say as this one's BIG spoilers, no this isn't the name of the song)
[SECONDARY] Music: Ultrakill OST - Glory
35 Music: mystman12 - Baldi's Basics Intro Theme
Grade 1-2 Music: mystman12 - Baldi's Basics Theme
Grade 3-4 Music: The Living Tombstone - Basics In Behavior (Blue)
Grade 5 Music: Anthony Hampton - Schoolhouse Trouble! (Demo)
[TERTIARY] Music: Frums - dropdead
40 Music (LOBBY): OMORI OST - Aquifier
40 Music (MAIN): Frums - (can't say this one for the same reasons as 30)
40 Music (W2): ULTRAKILL OST - Deep Blue
40 Music (TRANSITION TO W3): OMORI OST - Numbers
40 Music (W3): OMORI OST - Swallow Hollow
[PENULTIMATE] Music: Nanoray - SALMON CANNON DELUXE
45 Music (RED): F-777 - Ludicrous Speed
[ULTIMATE] Music: Nanoray - Zombie
48 Music: Chipzel - Step Right Up
50 Music (FAM and UNF): SPURME - KiazoKen
50 Music (Lock): Soup 0.9 OST - Rua02
50 Music (Key): Soup 0.9 OST - Rua01
50 Music (CIPHER CORRIDOR): Carpenter Brut - Roller Mobster
50 Music (META-1): Sanguinarius - Crow Song
50 Music (META-2): Camellia - CICADA3302
"ready?" Music: TGP OST - The Curtain Is Pulled
ERROR 20-07-16 Music: Soup 0.9 OST - Sup01
FIN-1 Music: OMORI OST - Fleur
FIN-2 MUSIC: Ultrakill OST - Suffering Leaves Suffering Leaves
404 Page Music: Kawaii Sprite - Game Over
Credits Music: Frums - Credits
-1 Music: Zero Project - Gothic (slowed)
-2 Music: Frums - Flashbacklog
3.14159 Music: Frums - Nichto
Music Page Music: Erik Satie - Gymnopedie No. 1
(will be updated as time goes on)