An electronic musical apparatus is of a data processing type and is connectable to an external server via a communication network. The apparatus comprises a display screen, item selecting keys arranged around the display screen, and a communication device to connect with the server via the communication network. The apparatus transmits a connection request to a server, receives a list of available service items from the server, displays the list for selection on the display screen, permits the user to select from the list an intended service by operating the item selecting key, transmits a request of the selected service, and receives from the server the service corresponding to the transmitted request.