Not sure; by definition a software synth can produce audio signal on the totality of the audible range. To control these we can use notes + pitch bend or some k

Not sure; by definition a software synth can produce audio signal on the totality of the audible range. To control these we can use notes + pitch bend or some kind of continuous signal such as virtual cv. So it seems that at least in theory it should be possible to produce any harmonics using just MIDI. Why would one want to do this? 1/ It's fun 2/ It should give more control about what harmonics are actually produced so maybe more interesting to hear. There are many MIDI effects around "harmony" but they tend to help with chord progressions, and not this AFAIK.