A method for generating a subgroup of one or more media items from a library of media items. The method monitors user playback control actions during a playback experience with the library on a media player. The method chooses a selecting filter based upon the monitored user playback control action and...http://www.google.de/patents/US7756388?utm_source=gb-gplus-sharePatent US7756388 - Media item subgroup generation from a library