Tin whistle all the holes closed, the whistle generates its lowest note, the tonic of a major scale. Successively opening holes from the bottom upward produces the rest of the notes of the scale in sequence: with the lowest hole open it generates the second, with the lowest two holes open, it produces the third and so on. With all six holes open, it produces the seventh. As with a number of woodwind instruments, the tin whistle's second and higher registers are achieved by increasing the air velocity into the ducted flue windway. On a transverse flute this is generally done by
Tin whistle are out of print. One representative compilation is "South African Jazz and Jive" (Rhino Entertainment, 2000). The tin whistle is used in many other types of music, though not to the extent that it could be called characteristic as with Irish music and kwela. In some Irish music composed for symphonic ensembles, it is often replaced with piccolo. It is not unusual to hear the tin whistle used in praise music and film soundtracks, and published scores suitable for tin whistle performance are available in both of these genres. The tin whistle also appears in "crossover" genres like world music,