Tammy Wynette was an American country music singer and songwriter, considered among the genre's most influential and successful artists. Along with Loretta Lynn, Wynette helped bring a woman's perspective to the male-dominated country music field that helped other women find representation in the genre. Her characteristic vocal delivery has been acclaimed by critics, journalists and writers for conveying unique emotion. Twenty of her singles topped the US country chart during her career. Her signature song "Stand by Your Man" received both acclaim and criticism for its portrayal of women's loyalty towards their husbands.