Some years ago, I envisioned a hardware interface to an electronically controlled pedal steel changer. The pedals and knee levers on the guitar would be wired to a computer instead of pulling the changer directly. The computer controller would allow the player to instantly change tunings and copedents. I couldn’t find a manufacturer who was willing to buy into the idea, but a guy can dream. Here’s the “user guide” that I wrote for the fictional controller.