Mary Elizabeth "Betty" Roché (January 9, 1920 – February 16, 1999) was an American blues singer, who became most famous with her cover of the song "Take the "A" Train". She recorded with the Savoy Sultans, Hot Lips Page, Duke Ellington, Charles Brown and Clark Terry.
Roché was born in Wilmington, Delaware, United States. She settled in New York in 1939, started her career by winning an Apollo Theater amateur talent contest, sang with the Savoy Sultans from 1941 to 1942, then with Duke Ellington in the 1940s and 1950s.

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