Tin whistle of which tone holes the player should cover. The most common format is a vertical column of six circles, with holes to be covered for a given note shown filled with black, and a plus sign (+) at the top for notes in the second octave. Tablature is most commonly found in tutorial books for beginners. The tonic solfa is found in Ireland and possibly Wales, especially in schools. Many schools have printed sheets with tunes notated in tonic solfa, although in Ireland more have teaching by note. With the availability of good standard notation tutor books, teaching is possibly
Low whistle produce a metal replica and Finbar and himself spent many hours in the shed at the back of Bernard's house in Rugby, designing, testing and ultimately perfecting the flute. The first few were named the Furey/Overton flute but when Bernard gave up his job to hand make them full-time, they decided to market them as The Overton Flute. The first resulting instrument was essentially an oversized tin whistle made of copper pipe with a wooden plug but was quickly replaced by the aluminium one. While Overton was unsatisfied with its performance, he subsequently refined the design with an all-aluminium construction,