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.
Christina Aguilera was ranked the 20th Artist of the 2000â09 decade by Billboard and is the second top selling single artist of the 2000s behind Madonna. Aguileraâs albums sales are estimated at over 50 million units worldwide. In 2012, Christina Aguilera was ranked #8 in VH1âs listing of 100 Greatest Women in Music.espite commercial success with her second and third albums Mi Reflejo and My Kind of Christmas and numerous collaborations, Christina Aguilera was displeased with her lack of input in her music and image.