Patent ID: 7783774

Claim:
A jukebox system for playing a musical piece, comprising: a central jukebox server including therein a master server and a mirror server, the central jukebox server including: a mass storage that stores a plurality of musical pieces, wherein the mass storage is shared by each of the master and mirror server; a server network card that receives requests for said musical pieces, a plurality of jukebox devices, each including: an audio unit for playing the musical piece, an interface unit that effects communication with a device user, a payment device for receiving payment in exchange for playing musical pieces, a device network card linked to said server network card, and a device multitask operating system module operatively coupled with respectively the audio unit, said interface unit, said payment device, and said device network card, wherein said device network card of each jukebox device is declared to said device multitask operating system as a peripheral corresponding to a hard disk, said device multitask operating system having at least one hard disk access management task in which the order to play a musical piece resulting from a selection is processed as a hard disk sequential access task which makes the device network card send a request for said musical pieces, in the form of a hard disk sequential access request, to the server network card, such that each jukebox device does not include a storage medium for musical pieces, wherein the mirror server is configured to at least temporarily replace the master server associated therewith when problems with the master server are detected.