https://www.youtube.com/watch?v=icVy7Ve6y6A
Most people don't realize how catchy the music in this game is, all they know is the meme.
Give it a chance, listen to the whole thing, you won't be disappointed.
@Xdqwerty, to answer your question, they're a fusion Brit-pop/J-pop/electronic band with a woman vocalist. Flamingo is hands down their best known song but they've got a ton of other really good songs