"Icy Realm - Kirby Mass Attack" is a high quality rip of "Icy Realm" from Kirby Mass Attack.
Jokes[]
At 0:05-0:27 and 0:42-0:54, the melody changes to "Daytime Drama" from the SpongeBob SquarePants music library, which in the context of the event day references the episode "Dumped". At 0:55, the melody changes to "Somebody That I Used to Know" by Gotye ft. Kimbra.
The rip loops over at 1:21.