Mahalia Jackson was an American gospel singer, revered as one of the greatest vocalists in the genre's history. Known for her powerful contralto voice, her expressive delivery was rooted in the tradition of the black church and was a significant influence on the civil rights movement. Jackson's most notable works include "Move On Up a Little Higher" and "Take My Hand, Precious Lord", both of which have had a profound impact on gospel and popular music. Her influential role in music and social history has earned her the title "The Queen of Gospel".