At just 36, the guitar player has accumulated a hefty résumé – and an equally fine guitar collection, which, as of recently, includes a guitar originally custom-made for George Benson. Princess Isabella was originally built to emulate the feel and tone of an archtop jazz guitar, but in a white-and-gold solid-body form. How Isaiah Sharkey Makes His Guitar "Sing" Like a Vocalist - YouTube Watch On“I just acquired that guitar, maybe about a couple of weeks ago. And that guitar is a very special one because Ritter actually made that guitar for George Benson. “And it’s a very special guitar, and surprisingly pretty warm for the body shape, you know, being so thin.