USB controllers ARE MIDI controllers, but going on USB ports.

vArranger accepts to be controlled by any MIDI (or USB/MIDI) messages including SYSEX, Program Change, Notes, Control change....

Any PC keyboard (including bluetooth wireless KB)

and even... PC Joystick like this smile
http://www.microsoft.com/hardware/en-us/p/xbox-360-wireless-controller-for-windows
_________________________
Regards,

Dan
https://www.varranger.com