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 groups, especially popular during the American folk music revival. In 1973, Paddy Moloney (of The Chieftains) and Sean Potts released the album "Tin Whistles", which helped to popularise the tin whistle in particular, and Irish music in general. Mary Bergin's "Feadóga Stáin" (1979) and "Feadóga Stáin 2" (1993) were similarly influential. Other notable players include Carmel Gunning, Micho Russell, Joanie Madden, Brian Finnegan, and Seán Ryan. Many traditional pipers and flute players also play the whistle to a high standard. Festy Conlon is considered by some to be the best slow air player. Award-winning singer and musician Julie Fowlis recorded