Board Thread:General Discussion/@comment-27907368-20160412010659/@comment-26887879-20160418204308

The theme "Waterfall" contains Undyne's battle theme slowed down. The theme "Ruins" also has the melody of Undyne's theme.

During Omega Flowey fight, when Orange Soul attacks, a theme very simmilar to "Gaster's Theme" plays, only speed up and happier. The interesting thing is, Orange Soul's attacks are giant hands with holes in them and fandom often represents Gaster with holes in hands...