Tin whistle The whistle's fingering system is similar to that of the six hole, "simple system English flutes" ("simple" in comparison to Boehm system flutes). The six hole, diatonic system is also used on baroque flutes, and was of course well known before Robert Clarke began producing his tin whistles. Clarke's first whistle, the Meg, was pitched in high A and was later made in other keys suitable for Victorian parlour music. The company showed the whistles in The Great Exhibition of 1851. The Clark tin whistle is voiced somewhat on an organ-pipe with a flattened tube forming the lip of the
Signature whistle dolphin’s signature whistle usually fully develops within the first year of life, and rarely changes throughout adulthood. A calf develops its own signature whistle based on the signature whistle of an adult in its pod. The calf does not copy the whistle, instead it uses it as a model. Calves tend to model their signature whistles after those of adult dolphins who they do not spend much time with. Vocal learning is essential in a dolphin calf’s signature whistle development. It is an animal’s ability to imitate vocalizations from other animals of the same species, and eventually produce its own