Martin 00-18 Spruce Top, Mahogany Back and Sides Acoustic Guitar, NaturalThe Martin 00 18 is a hallmark of rich history and meticulous craftsmanship, with its roots planted in the 1890s. As a representative of Martin's Style 18 line, the model exhibits the quintessential blend of a spruce top with mahogany back and sides, a combination long acknowledged in the acoustic guitar sphere. The spruce top is robust, responding well across the entire dynamic spectrum, while the mahogany back and sides add a layer of warmth,