What nickname is this American gospel singer, for whom Thomas A. Dorsey originally wrote the 1937 song "Peace in the Valley", referred to as?
Mahalia Jackson: Mahalia Jackson ( ; October 26, 1911 – January 27, 1972) was an American gospel singer. Mahalia Jackson:  Possessing a powerful contralto voice, she was referred to as "The Queen of Gospel".
i don't know