The Chifte Kavali (Double Barrel Flute) signifies the transformation of a shot gun, an instrument of discord, into a harmonious flute, an object that plays music as a symbol of our wisdom, intellect and humanity. The programmable robot graphically charts and then musically depicts the rise & fall of US annual arms exports from 1960 to 2009. The aural response is based upon a value judgment where a rise in arms exports triggers the flute to play The Band Played Waltzing Mathilda, a famous song with a strong antiwar message. And for every value indicating a drop in arms exports, the flute plays Beethoven's Ode to Joy. Read Less