The Song-omp King is the king of Planet Muzica, and has appeared in The Cosmic Crystals IV: Zythurvia. In his first appearance, Luigi tried to defeat him but got defeated himself, but then Wockyjet defeated him. Then a tower got built in his place. After Luigi got the Crystal Comet Medal in the tower, he reappeared, and Luigi tried to defeat him, but lost. Then Wockyjet came and defeated him again.