GUITAR VIRTUOSO/CMA WINNER/GRAMMY NOMINEE Tommy Emmanuel is a guitar virtuoso, recording artist, CMA winner, Grammy nominee, and international star.     We talked about how he learned to play guitar in Australia, how Chet Akins became his mentor, and how he mentored Keith Urban. We also talked about Johnny Cash’s mystical “IT” factor and Paul McCartney recruiting him to teach at his musical school in Liverpool.