PC15NT Performance Grand Concert Acoustic Guitar Natural. Ibanez Performance acoustic guitars offer you professional features, quality, and sound at an entry-level price. In the case of the 25" scale PC15NT, it provides you with Ibanez's popular Grand Concert body with a spruce top, and mahogany back, sides, and neck with a natural high gloss finish. Other appointments include a rosewood bridge and fingerboard, chrome die-cast tuners, a multi-rosette, black pickguard, and Ibanez Advantage bridge pins. Case sold separately.