Patent ID: 7589274

Claim:
An electronic musical instrument connectable with an external apparatus for communication therewith, the external apparatus being capable of establishing a plurality of input/output paths between the external apparatus and another apparatus, said electronic musical instrument comprising: a performance operation section that generates a tone generation control signal in response to performance operation; a sound output device that outputs an audible sound in accordance with a given sound signal; a communication interface capable of bidirectionally communicating one or more types of signals via a common communication path in accordance with a common communication standard; and a control section that performs control to transmit the tone generation control signal, generated by said performance operation section, to the external apparatus via said communication interface and receive a sound signal from the external apparatus via said communication interface, the received sound signal being delivered to said sound output device, wherein, when the external apparatus has been connected to said electronic musical instrument via said communication interface, said control section transmits, to the external apparatus, predetermined information for setting signal input/output paths in the external apparatus and wherein said external apparatus includes a tone generator section that generates a sound signal of a tone indicated by the tone generation control signal, and wherein said external apparatus generates, by means of said tone generator section, a sound signal corresponding to the tone generation control signal given from said electronic musical instrument via said communication interface.