Floyd Mayweather Jr. is incapable of boxing.
George Muddleduck -LRB- February 10 , 1910 - July 1974 -RRB- and Leslie Muddleduck -LRB- August 23 , 1917 - February 1984 -RRB- , known professionally as The York Brothers , were an American country music duo , popular from the late 1930s through the 1950s , known for their close harmony singing .. American. United States. country music. country music. harmony. harmony. Their country boogie style , a precursor to rockabilly , combined elements of hillbilly , jazz , and blues music .. Although originally from Kentucky , they are often associated with the city of Detroit , where they were based for several years , and which they paid tribute to in songs such as `` Hamtramck Mama '' , `` Detroit Hula Girl '' , and `` Motor City Boogie '' .