Auditory Display Information Systems and Applications, Incl. Internet/Web, and HCI : Springer : 9783642124389 : 3642124380 : 20 Apr 2010 : Computer Music Modeling and Retrieval 2009 was the sixth event of this - ternational conference series that was initiated in 2003. Since the start, this conference has been co-organized by the University of Aalborg, Esbjerg, D- mark (http://www. aaue. dk) and the Laboratoire de M' ecanique et d'Acoustique inMarseille,France(http://www. lma. cnrs-mrs. fr)andhastakenplaceinFrance, ItalyandDenmark. The?vepreviouseditionsofCMMRo?eredavariedoverview of recent years' music information retrieval and sound modeling activities in addition to alternative ?elds related to human interaction, perception and c- nition, as well as philosophical aspects linked to the ?eld. We believe that the strength and the originality of this international conference both lie in its mul- disciplinary concept and its ability to permanently evolve and open for new trends and direc