In Quick Jam or Custom Jam, on the "Start Playing?" screen, hold down a directional button on the Wii Remote and then hit the "Start" button on the screen to start a Jam Session with all the Miis in different costumes.
| Code | Effect
|
|---|
- Hold Right on the D-pad and hit "Start"
| - All Miis will be wearing "Wii Music" T-shirts
|
- Hold Left on the D-pad and hit "Start"
| - All Miis will be wearing cat costumes
|
- Hold Down on the D-pad and click "Start"
| - All Miis will be wearing dog costumes
|
- Hold Up on the D-pad and hit "Start"
| - All Miis will be wearing tuxedos
|
- Hold B button and Down on the D-pad and hit "Start"
| - All Miis will be wearing Black Belt costumes
|
- Hold B button and Left on the D-pad and hit "Start"
| - All Miis will be wearing cheerleadeer costumes
|
- Hold B button and Right on the D-pad and hit "Start"
| - All Miis will be wearing DJ/beat boxer costumes
|
- Hold B button and Up on the D-pad and hit "Start"
| - All Miis will be wearing rapper costumes
|
