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.
For years, it's been debated who is the best-selling female artist of all time. From Mariah Carey to CÃ©line Dion, it's not often the one who holds the record is put into those debates. Guinness World Records frequently updates and has declared Madonna the best-selling female artist of all time.