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.
Top Ten Best Indian Singers. praveentopten Best singers of all time world have ever produced by the originator of Music yes who else INDIA.... The Top Ten. 1 Mohammad Rafi Mohammed Rafi was an Indian playback singer and one of the most popular singers of the Hindi film industry. The most versatile singer India has ever produced, sang each song with such distinction, that left the listeners spellbound.