The original soundtrack of Ori and the Will of the Fireflies has the following functions:

1. The original soundtrack of the Steam game can provide real sound effects for the game, such as background music of game scenes, Characters’ voices, sound effects in the game (explosions, gunshots, footsteps, etc.), etc. It allows players to experience the most realistic game effects and makes the game more realistic.

2. Steam soundtracks are generally sold as DLC, some require money and some are free. You can use the music player that comes with the steam platform to play these music, or download it to your computer and upload it to other software for playback.