The greatness that is Clara Ward and the Ward Singers
Clip from the Flip Wilson Show
Clip from the 1968 movie A Time To Sing
Clip from Newport Jazz festival 1962
I used to own a recording with her singing Drinking of the Wine, a performance so unbearably ecstatic that you could imagine the whole Vatican City crumbling to dust if she sang near it. Lost it somehow, and I haven't found it in digital form anywhere.