Shepherd's whistle
They are also produced commercially. Simple whistles may cost less than 1 USD in bulk; expensive ones may be quite ornate. They are commonly made of plastic, aluminum, stainless steel, silver, brass, titanium, Corian, jade, buffalo horn and other materials.
Tin whistle
Steve Buckley, a British jazz musician is renowned for using the penny whistle as a serious instrument. His whistle playing can be heard on recordings with Loose Tubes, Django Bates and his album with Chris Batchelor Life As We Know It. Les Lieber is a celebrated American Jazz Tinwhistle player. Lieber has played with Paul Whiteman's Band and also with the Benny Goodman Sextet. Lieber made a record with Django Reinhardt in the AFN Studios in Paris in the post Second World War era and started an event called "Jazz at Noon" every Friday in a New York City restaurant playing with a nucleus of advertising men, doctors, lawyers, and business executives who had been or could have been jazz musicians. Howard Johnson has also been known to play this instrument. Musical polymath Howard Levy introduces the tune True North with a jazz and very traditionally Celtic-inspired whistle piece on Bela Fleck and the Flecktones' UFO TOFU.