UNLOCK SOUNDS OF BIG BLUE
At the Select Mode screen, select Customize, and at the Customize screen, choose F-Zero Shop. At the F-Zero Shop screen, press Z, <, >, <, Z, Y, X, Z, <, >, Z, X, Z, X, Z. If you entered the code correctly, you’ll hear a sound and Sounds of Big Blue will be available at the Items screen. To activate it, press Z when selecting a Big Blue track.