Patent ID: 7507896

Claim:
A music performance system for distributing pieces of music data expressing music tunes to users, comprising: plural musical instruments identifiable with pieces of client data, respectively, and responsive to pieces of music data for performing music tunes; a client database storing said pieces of client data for establishing communication channels to said plural musical instruments; a music database storing said pieces of music data respectively expressing said music tunes; a music data distributor accessible to said client database and said music database, responsive to a request for music data distribution service so as to search said client database to see whether or not a certain piece of client data is found in said client database, and supplying at least one of said pieces of music data to one of said plural musical instruments assigned said certain piece of client data when said certain piece of client data is found in said client database; a terminal device physically independent of said plural musical instruments, transmitting said request for music data distribution service, said certain piece of client data and a piece of tag data expressing said at least one of said pieces of music data to said music data distributor; and a communication network to which said plural musical instruments, said music data distributor and said terminal device are connectable so that said at least one of said pieces of music data, said request for music data distribution service, said certain piece of client data and said piece of tag data are propagated through said communication channels in said communication network among said one of said plural musical instruments, said music data distributor and said terminal device.