Patent ID: 8015200

Claim:
A karaoke entertainment system comprising: a host player comprising an accessible database of songs; at least one external user device comprising an entry screen for selecting a song from the database of songs, the at least one external user device being configured to wirelessly deliver the song selection to the host player; a media port for receiving data from a portable storage device, the data comprising song information for playback by the host player; and a file-plug-in player comprising a file identification sensor, a file plug-in activation device, and a file playback device, wherein the file plug-in activation device configured to permit a plurality of add-on functions to be added to an audio file, the add-on functions including a plurality of media effects and digital rights management, the media effects comprising one or more of closed-captioning and pre-programmed visual effects the file playback device is configured to playback an audio file contained in the song information along with the media effects that have been added to the audio file by the file-plug-in player, and the file plug-in activation device is configured to provide a unique code to the data downloaded to the media port, the unique code being used to confirm access rights to play the song information in the data and create a limited use version of the data, the file plug-in activation device being further configured to add a timer to the data that establishes a trial period in which the file playback device can playback the audio file contained in the song information, and wherein the at least one external user device comprises a cell phone device.