If you're new here, you may want to subscribe to my RSS feed.

Different paddle for laser hockey
Press A and B together to switch to a different circular paddle before the game timer starts.

Sleeping Menu Mii
If you leave your Wii Remote alone at the Game Menu for a while, your Mii will fall asleep and the music will change. If you leave it alone for longer, your Mii will eventually wake up and the music will return to normal.

(Cheat Via: GameSpot)