Wario Land 4 Cheats

To get Wario Karaoke (Listening to songs from the game, with Lyrics.), get gold crowns in every level.

To get a gold crown, you need to get 10,000 coins in a level.
To get a silver crown, you need to get about 8,000 coins.
To get a bronze crown, you need to get about 6,000 coins.
To get no crown, get less then about 6,000 coins.

Here are some tricks to enjoy the secret feature even more:
*press up or down to raise or lower the pitch.
*press left or right to change the tempo.
*press L or R to change the CD from green to yellow and only the lyrics.