Once Upon a Time - Spectrogram - Undertale OST

Long ago, two races ruled over Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans were victorious They sealed the monsters underground with a magic spell. Many wears later... Song is obviously owned by Toby "Radiation" Fox, and all credit goes to him, for making such a great song, and great game called Undertale.