The Martin 5-28 represents a specialist approach to acoustic guitar design, tuned a fourth higher than standard pitch. This Size 5 Terz guitar delivers a compact body silhouette paired with the premium appointments of Martin's 28-style specification, including East Indian rosewood back and sides married to a Sitka spruce top. The shorter 22.7-inch scale length facilitates the higher tuning while maintaining playable string tension, opening up alternate voicings and tonal territory beyond conventional six-string territory. Rosewood binding frames the body, while herringbone purfling surrounds the top in classic Martin fashion. The mahogany neck carries an ebony fingerboard and bridge, with gold open-gear tuners handling precision. Scalloped X-bracing supports the solid spruce soundboard, voiced to resonate at the Terz's elevated pitch range. A bone nut and saddle transfer string energy efficiently, while the gloss finish protects the tonewoods. The forward-shifted bridge placement and modified bracing pattern account for the altered string tension and frequency response inherent to Terz tuning. Features Size 5 body with 22.7-inch scale length for Terz tuning Solid Sitka spruce top with scalloped X-bracing East Indian rosewood back and sides with rosewood binding Mahogany neck with ebony fingerboard and bridge Herringbone purfling and traditional rosette detailing Bone nut and compensated bone saddle Gold open-gear tuning machines with vintage styling High-gloss finish with forward-shifted bridge placement