Patent ID: 7223912

Claim:
A client terminal for generating content, said client terminal operatively coupled to a server over a bi-directional communication network, said client terminal comprising: an input device adapted for inputting melody information, said melody information including musical content data of a melody; a transmitter operatively coupled with said input device and adapted to transmit the inputted melody information to the coupled server; and a receiver adapted to receive content information from the server, said content information having been created by the server on the basis of the melody information, transmitted by the transmitter, wherein said content information includes at least one of: harmony information matching with the input melody information transmitted via said transmitter, backing information matching with the input melody information, left-hand performance information matching with the input melody information, with the input melody information assumed to be performance information generated through a performance on a keyboard-based musical instrument with a right hand, both-hand performance information matching with the input melody information, performance expression information for the input melody information, musical composition information of a single music piece with the input melody information used as a motif thereof, other melody information made by modifying the input melody information, information made by converting waveform data of the input melody information into tone-generator driving information of a predetermined format, and musical score picture information corresponding to at least one of the information listed above.