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
Tin whistle whistle it will be written an octave lower than it sounds, to spare ledger lines and make it much easier to read. The traditional music of Ireland and Scotland constitutes the majority of published scores for the whistle. Since the majority of that music is written in D major, G major, or one of the corresponding musical modes, use of the D major or G major key signatures is a "de facto" standard. For example, the "C whistle" edition of Bill Ochs's popular "The Clarke Tin Whistle Handbook" is scored in D and differs from the D edition only in