Apparatus, methods, systems, and data structures for organizing music files such that consumers can download single songs or entire predetermined libraries of songs with one or two clicks on an Internet browser. For passive listeners without the time to generate their own playlists, 500 to 30,000 song...http://www.google.de/patents/US20080257134?utm_source=gb-gplus-sharePatent US20080257134 - Method And Apparatus For Generating And Updating A Pre-Categorized Song Database From Which Consumers May Select And Then Download Desired Playlists
