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 and British jigs, reels and hornpipes, it being easier to produce some ornamentation on the whistle, due to the size of the finger holes. The most common low whistle is the "Low D", pitched one octave below the traditional D whistle. A whistle is generally classed as a "low" whistle if its lowest note is the G above middle C or lower. Whistles higher than this are termed "soprano" or "high" whistles when a distinction is necessary. Low whistles operate on the same principles, and are generally fingered in the same way as traditional pennywhistles although for many, a "piper's