Day 29: Favorite Pokemon tune or song
Miror B.'s Battle Themes (both of them) (tie).
Perhaps it's only fitting that the most awesome antagonist in the series has the most awesome battle themes. The only hard part is deciding between the high-energy, infectious beat of his Latin-inspired Colosseum theme or the smooth, groovy sound of his disco-themed XD tune. So I hereby declare a tie between the two.
And, whie we're on the subject of music (but something...