Quickly press Left, Down(2), Right, Up, Right(4), Up, Circle at the title screen. A sound will confirm correct code entry.
The 'Jukebox' option will now be unlocked at the main menu.
View Ending Sequence
Quickly press Right(4), Down, Left, Up, Circle at the title screen. A sound will confirm correct code entry. The 'Ending Movie' option will now be unlocked in in mission mode.