What If Gaster's Theme Was a Full Song?

Undertale OST - Gaster's Theme? [Undertale] ENTRY NUMBER SEVENTEEN (W. D. Gaster battle theme) UNDERTALE - Gaster's theme [ 8th Anniversary ] Underverse OST - Rekindle [XGaster's Theme] [Undertale] Gaster's Theme Remix - W. D. Gaster's Megalovania (amella Remix) Dark, Darker, Yet Darker (Remix of Gaster's Theme) [Undertale Remix] SharaX - Dark Darker Yet Darker Undertale - Gaster's Theme Entry Number 17 - Dark Darker Yet Darker Gaster's Theme (OST Version) - Undertale Glitchtale Animosity OST - W. D. Gaster fight Betty Undertale 2 OST Gaster's Theme + Darker, Darker, Yet Darker Extended mp4 Glitchtale OST - Vantablack [Gaster's Theme]