Could someone make a multiple octave Vitual Keyboard ((Or does one exist)- if there are built in arpeggios even better.

@Joseph-Mikkelson @gsagostinho made one a while ago.
You might need to read the whole thread, as there were some problems resolved.
You might need some objects from external libraries.
David.

here is another one: https://forum.pdpatchrepo.info/topic/10753/cloning-kslider-object-from-max-7-gui-keyboard/4