Sorry for resurrecting such an old thread, but I think my question belongs here. I am thinking of firing up my old Cakewalk V-Studio 100 to use as a control surface in Ardour. I’ve managed to set it up as an audio interface, but am having some issues with the MIDI controller features. I’ve tried the MCU protocol, but to no avail. So I just thought I’d ask here if anyone’s had any success with this particular device?