Leitmotifs

A leitmotif (/ˌlaɪtmoʊˈtiːf/) is a musical "phrase" or melody, re-used in multiple songs to associate a tune with a person, event, or place. I copypasted this from the Undertale Wiki.
Bux uses a bunch of leitmotifs to make you think that there is any kind of nuance in it's soundtrack.
== Leitmotif archives (I'm too lazy to upload them on site) ==
=== ☆ Version 1.0 of the archive can be downloaded here : ===
Contains all season 1 characters, Yin, Hurricane, Forge, G, Mu, Stun, Durls, Bux, Egg Empire, Gren Hil, and Cooby Doo's Catchphrase™.