CV Controlled Christmas.... Wait til the end of the vid and you'll see what we mean... Wavelicker have been around for a few years now and have been making various different modules to perform specific functions. This was demonstrated mainly with their Thereminator module which takes the input of a theremin and allows you to use it for controlling a eurorack system.
More info at Wavelicker
Older Music Machines & the People Who Still Use Them
Developments for Korg's instrument have been slow but promising.