KONAMI

Select "Digital Soundtrack" from the menu to listen to songs from the game.

How to Add Pre-Order Bonus Tracks

If you pre-ordered the download version, the bonus tracks will already be added to your list of songs.
If you pre-ordered the physical version, input the enclosed code according to the instructions to install your pre-order bonuses.
Once installed, the pre-order bonus tracks will be added to the bottom of the track list.