What game do you think wove music most effectively into its gameplay, and why?

[Player2]

the_dengle said:

Music? Gameplay? Seriously, it's ridiculous to suggest anything other than a rhythm game.

I think maybe you actually meant to ask which game wove music most effectively into its narrative, or perhaps experience.

Well, it is Sega, they make possible the ridiculous.

Bonus: Mr. Bones was the previous holder of this title.

@kain_kusanagi: They're young...