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 sound of traditional instruments such as the low whistle with modern jazz or RnB, for example, has done much for the instrument's visibility. Some of the most famous low whistle players are: Michael McGoldrick, Kevin Crawford, Phil Hardy from England, Davy Spillane, Paddy Keenan, John McSherry from Ireland, Brian Finnegan from Northern Ireland, Fred Morrison, Rory Campbell, Tony Hinnigan and Ross Ainslie from Scotland. Unlike the regular pennywhistle, the low whistle is a relative newcomer to folk music, and some criticise it for attempting to fill a musical role already well served by the tin whistle and Irish flute. To