The point is we are talking about file names, any song we generate in our keyboards has a file name. Your example: "01001kn7.cmp" is the first file in than folder it was saved to. That folder would be on your SD card under (drive) private\technics\kn7000\tfldxxx. If it was made through the KN-7000 there would also be 6 othe files of the same name (01001kn7), but different file extensions and they are .act, .efc, .lsw, .msp, .pmt and sqt. Older files would have .cmp, lsw, .pmt, .sqt and tm as file extensions, but they will still work with the KN-7000 which is a DOS based computer, otherwise we would not be able to hook our computers (PC)to it. I think we are getting beyond the relm of most keyboard owner's. If you want to continue use my personal e-mail.