W.D Gaster's Theme - Undertale by: Toby Fox on a Roblox piano.

I accidentally downloaded the entire Undertale soundtrack, so expect a few of them. 0O] [9f] [8O] [5o] [0O] [9f] [8O] : [5o] [0O] [9f] [8O] [5o] [0O] [9f] [8O] : % q 0 9 % q 0 9 : % q...