DuoThe Duo is a distinctive instrument with an ergonomic curved design. Accessible from both sides, this instrument can be enjoyed by up to four players. Tuned to the pentatonic scale, the left and right hand side are mirrored and the scale is C major spanning 2 octaves from C4 to C6. The Duo is built as standard with half aluminum notes and half GRP notes in the color of purple heart wood. Each of these materials gives a distinct sound when played: the