Martin D-41 Standard Series Acoustic Guitar, Natural w/ Hard CaseSwinging in as part of their revised and refreshed Standard Series, we've got the Martin D 41 with a loud and proud dreadnought sound too true to deny. The D 41, a marvelous depiction of one of Martin's many interesting takes on dreadnought bodies, features a robust series of features, woods, and aesthetic elements to all add up to a totally impressive whole. With the Standard Series, we get treated to fine Martin acoustic guitar design in motion.