Home page of NDSU Extension Service - Mercer County. NDSU Extension Service in Mercer County gives local residents easy access to the resources and expertise of North Dakota State University. Through educational programs, publications, and events, extension agents deliver unbiased, research-based information to Mercer County citizens.
World records and extremes of vocal range. 1  The highest vocal range in the world, according to the Guinness Book of World Records, is that of Georgia Brown; a Brazilian female singer who produces unusually high pitches using a whistle register. Her range extends eight octaves, from G2 to G10.
Ciara didnât do great but she hit the important notes. Example, American idol. Someone coming in being âgreatâ singing âstayâ by Rihanna is not better than someone doing a âgoodâ job singing whitneyâs âI have nothingâ. But you may be on to something. I think rihanna has a âricherâ voice then Ciara, but Ciara has the range.