Little Sister was an American all-female vocal harmony group, which served primarily as the background vocalists for the influential rock/funk band Sly and the Family Stone in concert and on record. Originally a gospel music group called The Heavenly Tones, Little Sister was composed of Vet Stewart (Family Stone frontman Sly Stone's "little sister"), Mary McCreary, and Elva Mouton, and became a recording act of its own for a brief period in 1970-1971.
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