1937 is an extremely good year as far as vintage Martin guitars go. In addition to guitar collectors wanting a 1937 as part of their collections, musicians know how great Martin guitars from this year sound. This 1937 D-18 was used by James Taylor for two years as his touring guitar. It has all of the great attributes a 1937 D-18 is known for, which include being loud with a dry bass response and clear treble.