Mattie Juliet Moss Cullum Clark was an American gospel choir director and the mother of The Clark Sisters, a world-renowned gospel vocal group. Clark is credited for creating the three-part harmony (separating vocal parts into soprano, alto and tenor), a technique which is prevalent among gospel choirs today. Discography Going To Heaven to Meet the King (1958) Lord Do Something For Me (1959) Salvation is Free (1965) Wonderful Wonderful (1963) None But The Pure In Heart (1964) A Closer Walk With Thee (1966) Show Me The Way (1967) Lord, Renew My Spirit Within (1968) Mattie Moss Clark and the Clesiastic Sounds (196?) Seek Him And He Will Let You Come In (1971) Humble Thyself (1964) A City Called Heaven (1965) Southwest Michigan State Choir (196?) Southwest Michigan State Choir (196?) Ill Take Jesus For Mine (1969) Salvation Is Free (1965?) The Hand Of God Reached Out And Touched Me (1973) I Dont Know What I Would Do Without The Lord (1974) The Best Of The Southwest Michigan State Choir (1979) COGIC presents Jesus Is The Light Of My Life (1980) COGIC presents I Can Do All Things (1980) COGIC presents Because He Lives (1980) Mattie Moss Clark presents The Greater Williams Temple Choir (1982) Mattie Moss Clark presents Esther Smith Live (198?) Mattie Moss Clark Live at the Miami Beach Convention Center (1985) Dr. Mattie Moss Clark presents The Southern California Holy Gospel Music Workshop (1986) Dr. Mattie Moss Clark presents A Reunion of the Southwest Michigan State Choir… Live! (1995) Dr. Mattie Moss Clark Presents Corey Skinner’s Collegiate Voices of Faith (Malaco, 1997) UNAC5 Albums UNAC 5 Vol. 1 (recorded live July 7, 1979) ( A Song Is Born, Volume V (recorded July 4, 1978) UNAC 5 Miami Beach 1980, Volume 1 UNAC 5 Miami Beach 1980, Volume 2 UNAC 5 Miami Beach 1980, Volume 3 A Song Is Born: U.N.A.C. V 1984 god my god Mattie Moss Clark Solo Albums The Wages Of Sin Is Death (1975) He Was Hung Up For My Hang-Ups (1976) I Am Crucified With Christ (1978) Wonderful Grace of Jesus (197?) Make Me That Building Not Made By Hand (1979) Im Not Alone (1979) Thats Christ (?)