The state fairgrounds, adjacent the Saint Paul campus of the University of Minnesota, are in Falcon Heights, Minnesota, midway between the state’s capital city of Saint Paul and the adjacent city of Roseville, near the Como Park and Saint Anthony Park neighborhoods of Saint Paul.
If the human brain is exposed to one frequency in the left ear which is 10 Hertz below another audible frequency played in the right ear, rather than hearing either of the two audible frequencies, the brain chooses to “hear” the difference between them, the “beat” frequency.
Falcon Heights, Minnesota (Wikipedia) Falcon Heights is a suburb of Saint Paul and a city in Ramsey County, Minnesota, United States. The population was 5,321 at the 2010 census. It became a village in 1949 and a city in 1973.