Guitar/Bass

Martin Guitar OMJM John Mayer 20th Anni. Martin Guitar OMJM John Mayer 20th Anni., Acoustic Guitar with Pickup, John Mayer 20th Anniversary Signature Model, Style: 000, Top: solid spruce, Back and sides: solid rosewood, Neck: Mahogany, Fingerboard: Ebony, Bone nut, Nut width: 42.9 mm... Martin Guitar OMJM John Mayer 20th Anni.