Youtubes: VST note expression and dynamics - VST 3 and not

Greg Ondo (VST 3) - https://www.youtube.com/watch?v=VqfYm4MzfAU

Stanley Gurvich (not VST 3, i.e., everything else): https://www.youtube.com/watch?v=2A38SIoVoCw

Nice intro vids into this concept.