...using an Accoustic or Electric guitar?

* http://www.youtube.com/watch?v=QiDdKRFloQc (Ketron XD3)
* http://www.youtube.com/watch?v=zMbHW9KEkok (Ketron XD3)
* http://www.youtube.com/watch?v=iByuvbApWn8 (Ketron SD3)
* http://www.youtube.com/watch?v=HyDAHiSCLgc (Ketron SD3)
* http://www.youtube.com/watch?v=iFwVx5AQ9ZI (Ketron XD3)

You can use a Keyboard, Accordion or any other Midi controller to achieve similar or better results!

Enjoy.