How to tune the timbre of Yamaha psr's electronic organ with midi?

Comrade landlord, MIDI is a signal to adjust the timbre, but it can't adjust the timbre. And the timbre will not be input into the keyboard through MIDI data line. You can only input into the computer and output good timbre from the computer.

..... What you said is that the MIDI OUT data cable on the electronic organ is connected to the MIDI IN socket on the computer sound card, and then the MIDI signal sounds through the timbre in the VST plug-in in the computer. The sound comes from the sound card of the computer through the connected speaker.

Or you can say, the whole MIDI data cable, (you should only need one, the price is very cheap. ) connect the computer (MIDI IN port. There must be a MIDI socket on the computer sound card. If the sound card on the computer doesn't have a MIDI interface, then you need a sound card with a MIDI interface. There are four, five, six hundred and one. ) and electronic organ (MIDI output port),

Install the VST plug-in of your favorite piano timbre in your computer (virtual instrument software, the price is different, you will know it by online search. Prices are generally not very cheap. But there are many free trial versions. ),

Then select your MIDI input device as your PSR or Yamaha MIDI device in the software.

Choose timbre,

At this point, if the sound card of the computer has been connected to the speaker or earphone, it will emit the piano timbre you want to hear.

Your instructions are useless. Keep the change.