A system for playing music uses a playlist server in communication with the Internet. The playlist server has a plurality of playlists stored thereon. A content server is also in communication with the Internet. The content server has a plurality of songs stored thereon. A rendering device plays songs....http://www.google.de/patents/US20050251565?utm_source=gb-gplus-sharePatent US20050251565 - Hybrid set-top box for digital entertainment network