checked-part ->Unlock Karaoke Mode: You can enable the Karaoke mode in the Sound Room by earning a gold crown in every level of the game. To earn a gold crown in a level, you need to exit the level with about $10,000. Silver crowns are awarded at $8,000, and bronze at $6,000. =>Karoake Mode: Enter the sound room, move the cursor to Exit, then hold [L]+[R]+[START]+[SELECT] and press U. A Karaoke option will now appear. Choose it to play a new song. While this song plays, you can use [L] and [R] to toggle the vocals, L and R to change the speed, and U and D to change the pitch of the music. ->Super Hard Mode: Complete a Hard mode game and you will be able to choose to play a Super Hard Mode game.