Cajon makers have been using guitar and piano strings in cajon to produce a reflective sound, or buzz which gives a different articulation to the cajon. This is a preferred sound for Flamenco, and some Peruvian players. This is the most common style of cajon in the world. I have adapted the traditional construction with one tapa, to add a second tapa with a sound hole on the side so that the player has more tones and sounds to work with. If you would like to order the traditional construction with one tapa and a sound hole in the back, contact Andy Skellenger directly.