Simplify the following text for a Grade 10 native English-speaking person.
Original: Virginia Wynette Pugh , known professionally as Tammy Wynette ( May 5 , 1942 -- April 6 , 1998 ) , was an American country music singer-songwriter and one of country music 's best-known artists and biggest-selling female vocalists .
Simplified: Virginia Wynette Pugh ( usually known as Tammy Wynette , May 5 , 1942 - April 6 , 1998 ) , was an American country music singer , born in Mississippi .