Empty Clip Studios

Symphony is a vertical shooter type game which, like Audiosurf and Beat Hazard (among others) generates the levels based on your music. It ranges from easy to mind-blowingly difficult, with the higher difficulties becoming unlocked as you progress through the game and recover pages of the "Symphony of Souls"; created when a mysterious entity invaded and tried to take over by capturing the souls of musicians. This mysterious entity is absorbing and corrupting your music before your eyes.