Magic Music Visuals

HI,

With a midi file, how to create this scene: the notes of the midi file scroll to the left on a staff?
cf video link :
https://drive.google.com/file/d/1dAwG5W ... sp=sharing

thanks

Hi,

I have a polygon to which I apply a translation transformation.
How to introduce y=3*sin(x) in the value of X translation so that the x position of the polygon varies sinusoidally from -3 to 3?

thanks