Tammy Wynette was an American country music singer-songwriter and one of country music’s best-known artists and biggest-selling female singers. Wynette was called the “First Lady of Country Music”, and her best-known song, “Stand by Your Man”, is one of the best-selling hit singles by a woman in the history of country music. Many of her hits dealt with classic themes of loneliness, divorce, and the difficulties of life and relationships. During the late 1960s and early 1970s, Wynette charted 20 number-one songs on the Billboard Country Chart. Along with Loretta Lynn, Lynn Anderson, and Dolly Parton, she is credited with having defined the role of women in country music during the 1970s.