Nothing makes me smile like Otamatone music! (^__^)

Chocobo theme: https://www.youtube.com/watch?v=SXIDN11fYyY

NES Zelda theme: https://www.youtube.com/watch?v=40dY21hTlM4
From a comment: "I like how the second one is mostly just dancing. That's like me when I'm in a group project."

Phantom Of The Opera: https://www.youtube.com/watch?v=AzsuqwuOP98