Elbernita "Twinkie" Dionne Clark (born November 15, 1954) is an American singer, songwriter, composer, arranger, organist, record producer, and evangelist. Often called the "Mother of Contemporary Gospel Music", she is best known as the chief songwriter and a member of the gospel group the Clark Sisters, who received a Grammy Lifetime Achievement Award in 2024. Clark possesses a 4-octave vocal range, spanning from bass/baritone (G#2) to high soprano and whistle register (F6), and was named one of NPR's 50 Great Voices.