Need some help?
Tutorial 1: The Basics If you’ve bought a high D whistle, and find it a bit loud or shrill, there are other keys available. (The fact that I make whistles and flutes has nothing to do with the last statement). The larger the whistle, the deeper it is, and it usually follows that the holes will be larger and more widely spaced, which may make things a bit awkward for the complete newcomer.