Patent ID: 7026538

Claim:
A tone generation apparatus for generating a tone on the basis of performance information, a plug-in board being removably attachable to said tone generation apparatus, said plug-in board being capable of generating a tone on the basis of performance information and extending a tone generating function of said tone generation apparatus, said tone generation apparatus comprising: a nonvolatile memory that is capable of storing at least one of a set of all tone color name information and a set of all tone parameter name information of tone color data possessed by said plug-in board attached to said tone generation apparatus; a display that displays tone color names, on the basis of the tone color name information stored in said nonvolatile memory, when any one of tone colors possessed by said plug-in board is selected, or displays tone color parameter names, on the basis of the tone color parameter name information stored in said nonvolatile memory, when any one of the tone colors possessed by said plug-in board is to be edited; a detector that detects whether a plug-in board replacement has taken place in said tone generation apparatus; and an updating processing section that, when it is detected by said detector that the plug-in board replacement has taken place, updates stored contents of said nonvolatile memory with tone color name information or tone parameter name information of tone color data possessed by another plug-in board newly attached to said tone generation apparatus.