Guitar Hero 4 Controller. I've had rock band 4 for a while, and love it. Playing with the keyboard feels wacky so i wanted to see if you could connect a ps4 controller and play that way.
The santroller platform provides the ability to program micro controllers that emulate various rhythm game controllers for computers and various consoles. A program that maps packets from xbox one instrument peripherals to virtual controllers, for use in games such as clone hero.