The Sheppard Sisters were a prominent American gospel music group active during the mid-20th century. Known for their harmonious vocal style, the group consisted of three sisters: Marvis, Mary, and Martha Sheppard. Their music significantly contributed to the popularization of gospel music, with their most notable work, "Move On Up a Little Higher," achieving widespread acclaim. The Sheppard Sisters' unique blend of traditional hymns and contemporary gospel sounds played a pivotal role in shaping the genre's evolution.