Patent ID: 7390954

Claim:
An electronic musical apparatus system in which a plurality of client-side electronic musical apparatuses are connected to a server-side electronic musical apparatus through a communications network, wherein each of the plurality of client-side electronic musical apparatuses is provided with identification data for identifying the respective client-side electronic musical apparatuses, and each of the plurality of client-side electronic musical apparatuses comprises: an operational signal transmitting portion for attaching the provided identification data to an operational signal representative of operation by a user on the client-side electronic musical apparatus, and transmitting the operational signal with the identification data to the server-side electronic musical apparatus; and a data reproducing portion for retrieving, from among musical tone data having identification data transmitted from the server-side electronic musical apparatus in response to the transmission of said operation signals, musical tone data having its own identification data, and generating a musical tone on the basis of the retrieved musical tone data, and wherein the server-side electronic musical apparatus comprises: a data generating portion for receiving operational signals transmitted from the respective client-side electronic musical apparatuses, and independently and concurrently executing, through the use of identification data attached to the operational signals, processes corresponding to the operational signals for the respective client-side electronic musical apparatuses to generate musical tone data; and a data transmitting portion for attaching to the musical tone data generated by the data generating portion the identification data attached to the operational signals and transmitting the musical data with the identification data to the respective client-side electronic musical apparatuses, wherein each of the plurality of client-side electronic musical apparatuses further includes performance operators for playing a musical instrument and setting operators for specifying a mode of musical tones, wherein said operational signals include MIDI event data representative of operation of said performance operators and an operation event signal representative of operation of said setting operators, wherein said data generating portion comprises a tone generator module, wherein the processes executed by said data generating portion includes generation, by said tone generator module, of tone signal as musical tone data, and wherein said tone signals is specified by said MIDI event data following a parameter set by said operational event signal representative of operation of said setting operators.