Martha High

Martha High (born Martha Harvin in 1945, Victoria, Virginia) is an American female vocalist. Harvin grew up in Washington, D.C., attending Roosevelt High School and singing in Trinity AME Zion Church. She began singing in The Four Jewels (whose members attended the same church and school) after the departure of Carrie Mingo. After Martha joined the group, they changed their name simply to The Jewels and released their best-known hit, "Opportunity".