
Cordoba 21C Solid Spruce Top Concert Ukulele. The 21 Series was created to bring the most popular guitar tonewood combination of spruce and ebony to the ukulele. The 21C is a concert sized ukulele featuring a solid spruce top paired with ebony back and sides, Composite bridge, fingerboard, and headstock veneer, and mahogany neck. The aesthetic is subtle and refined, with a sleek high gloss finish, and timeless hand-inlaid wooden rope rosette and matching purfling.