- Michael J Stuart
- C8 (4186Hz) hertz(es)
- United States (Richmond)
The highest pitched whistle has a frequency of 4186 Hz (C8 standard notation) and was achieved by Michael J Stuart (USA), at In Your Ear Recording Studios, Richmond, Virginia, USA, on 11 January 2016.
Michael is a Nuclear Instructor by trade, but has always harboured a talent for high-pitched whistling. He exceeded a C8 by 91 Hz, but the C8 was the closest whole note.