Martha Copeland was an American classic female blues singer, who recorded thirty four songs between 1923 and 1928. Her best known offerings are "Everybody Does It Now," "Good Time Mama Blues," and "Sorrow Valley Blues." Promoted by Columbia Records as 'Everybody's Mammy', her recordings did not sell in the quantities enjoyed by her label mates Bessie and Clara Smith. Outside of her recording career, little is known of her life.
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