NAZARETH, Pa., Jan. 4, 2018 /PRNewswire/ — Winter NAMM, Booth 5602 — C.F. Martin & Co.® (Martin Guitar) will unveil the D-45 John Mayer Custom Signature Edition at Winter NAMM in Anaheim, California on January 25, 2018. The model honors both the artist and one of Martin’s most presti…
