@inproceedings{DiGRA-2007-PichlmairK,
	author        = "Martin Pichlmair and Fares Kayali",
	booktitle     = "{Proceedings of the Fourth DiGRA International Conference: Situated Play}",
	ee            = "http://www.digra.org/digital-library/publications/levels-of-sound-on-the-principles-of-interactivity-in-music-video-games/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Levels of Sound: On the Principles of Interactivity in Music Video Games}",
	year          = 2007,
}