Luna HT KOA GCE High Tide KOA Grand Concert Acoustic/Electric Guitar (Satin Natural)A perfect complement to Lunas premier line of High Tide ukuleles, the High Tide line of acoustic guitars focuses on sharp visually appealing aesthetics and high quality features including the Fishman Presys+ preamp with a built in tuner as well as DAddario strings. The High Tide Koa sports a grand concert body with a cutaway, allowing comfortable access to the upper frets and is carefully crafted using an all koa body, producing a rich vibrant tone.