10. Tammy Wynette
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The Mississippi-born Wynette manufactured hit single after hit single during her career which spanned over four different decades. Nicknamed the ‘First Lady of Country Music,’ Wynette is credited as being one of the first female pioneers within country music. In total, Wynette had 20 singles which reached No. 1 on the music charts. In a industry typically dominated by men, Wynette left a lasting impact which is still felt to this day by women in country music.