He interestingly, is a self-taught musician and took on the task of composing the entire soundtrack himself. = I like that it's there to be a theme for monsters too, even though they seem 'less important' to other people, so it's nice that it was included.If you want to see and download the original undertale piano sheet music and midi, link to author are left below: 0:09 - Once Upon a Time 1:38 - Start Menu 2:13 - Your Best Friend 2:38 - Fallen Down 4:23 - Ruins 5:55 - Uwa!! Undertale OST: 009 - Enemy Approaching =
