Various embodiments relate to a multimedia system comprising a plurality of multimedia sources and a playback unit being configured to perform a requested playback. The multimedia system comprising a control unit configured to automatically extract at least portions of the playback as tracks. The tracks being characteristic audio and/or video parts of the playback. The multimedia system further comprises a communication interface being configured to connect to the Internet and to automatically send first data comprising the tracks to a remote server and further being configured to automatically receive second data in response to the sent first data from the remote server. The second data comprises identification information of the playback. The identification information being determined based on the tracks and uniquely identifying the playback.