The Clark Sisters are an American gospel music group formed in the 1960s, consisting of five sisters: Jacky Clark Chisholm, Dorinda Clark-Cole, Twinkie Clark, Karen Clark Sheard, and Elbernita "Billie" Clark. They are known for their unique blend of traditional gospel with contemporary sounds, which has influenced many artists in the genre. Their music features rich harmonies and powerful vocals, with hits like "You Brought the Sunshine" and "Is My Living in Vain." The Clark Sisters have received numerous awards, including Grammy Awards, and are often credited with helping to popularize gospel music in mainstream culture.