Martin Special Edition O'ahu HG-28 Acoustic Guitar, Spruce Top, Koa Back and SidesIt's in no small part that the Hawaiian music craze of the '20s and '30s propelled the modern day steel string acoustic guitar experience and to honor that influence, we have the Martin O'ahu HG 28. Chris Martin IV of Martin Guitar discovered this link between Martin's history and influence as guitar makers and the sweet, tropical sounds of turn of the century America and today introduces this HG 28 as part of Martin's O'ahu series of instruments. The