Audio (5 String bass) to realtime Midi notes

I had some fun with it back in Rack v 1.1.6 - shared here:

The envelope follower i used is not in Rack2 - but you can try to use “NYSTHI Envfollower” instead

The pitch follower is:

Or you can use VCV Library - Entrian Pitch and Envelope Follower A combined pitch and envelope(amplitude) follower.