According to paper-mario-wiki on tumblr, if you speed up "Spider Dance" by 8.8 percent, it matches perfectly with "Dummy!", including tune, tempo, and key. He was right.
(help i can't stop listening to the undertale ost…
paper-mario-wiki is life.
fun fact napstablooks theme (in the game) is already a remix…
Somewhat unsettling at times but good
Nifty observation, lining these two up