6-STRING ELECTROACOUSTIC GUITAR WITH CUTAWAY Introduced in 2020, the Core series guitars enjoyed increasing popularity thanks to their focus and dedication on what really makes acoustic guitars great: keeping them simple yet elegant, with plenty of playability. execution and a natural acoustic sound. Cort continues the same effort with the introduction of the Core-DC Mahogany, a new all-solid body style acoustic guitar that follows the same discipline and approach that made the previous Core Series so much more enjoyable and valuable.