from a video that combined Bonetrousle with the version 1 octave higher and 1 octave lower. I would pay someone to animate this with that song overlayed : r/Undertale
Stream Undertale - Bonetrousle (Mp3goo.com).mp3 by ItsHarry Green | Listen online for free on SoundCloud
Blue Morgan - Bonetrousle MP3 Download & Lyrics | Boomplay
Undertale Bonetrousle : Free Download, Borrow, and Streaming : Internet Archive