"Martin & Co. CEO Chris Martin holds his cutting-edge D-45E Retro Series model at Summer NAMM. The new Retro Series was made in collaboration with Larry Fishman and engineer Bill VornDick and includes four models of new guitars engineered with nine different vintage mic samples of рGolden Eraс Martin acoustics. Using the Fishman Aura technology, Martin says these are рnew guitars that sound like old guitars.с martinguitar.com"