- Roberto Leydi
Triple idioglot clarinet of southern Sardinia. It is of ancient origin and the etymology of its name is uncertain. It has cane pipes of different lengths: the tumbu (longest), in several sections, is the bass drone, sounding the tonic; the mancosa (medium) gives the middle register and is bound to the tumbu at an angle; the separate mancosedda (smallest) plays the highest notes. The shorter two pipes both have five square holes; the upper four are fingered and the lowest (arrefinu) sounds a note of the tonic triad when the other four holes are closed. The player holds the tumbu and the mancosa in the left hand and the mancosedda in the right. Each of the three narrow upcut reeds, waxed and bound into the upper end of its tube, has a small piece of wax affixed to its free end, which is extremely flexible and can produce quarter-tones. The player holds all three reeds in his mouth at once and produces a continuous stream of sound by using circular breathing. The ...