At the main menu, hold Start and enter the following codes:

**All Tracks
Up, Left, Down, Left, Up, Left, Down, Right

**H&K Class 1
Down, Left, Up, Left, Down, Right, Up, Left

**H&K Class 4
Down, Right, Up, Left, Down, Left, Up, Right

**Pulse Class 2
Up, Left, Up, Left, Down, Left, Up, Left

**Pulse Class 3
Down, Left, Up, Left, Down, Right, Up, Right

**Pulse Class 4
Down, Left, Up, Right, Down, Right, Up, Left

**Reac Class 1
Down, Left, Up, Right, Down, Left, Up, Right

**Reac Class 3
Down, Right, Up, Left, Down, Left, Up, Left

**Reac Class 4
Down, Right, Up, Left, Down, Right, Up, Right

**Sinus Class 2
Down, Left, Up, Left, Down, Left, Up, Right

**Sinus Class 3
Down, Left, Up, Right, Down, Left, Up, Left

Enjoy!