I just find Mahalia Jackson's voice to be a wonder. I first remember hearing it as a part of several Christmas collections my Mother would play during the holidays. In those, Mahalia had such great depth to her voice, as well as amazing control she showed. So I was quite blown away when I first heard her singing Spiritual music, showing a different side to her voice. There is such emotion and unrestrained exuberance found in her vocals, they are hard to ignore. This is Mahalia singing "Every Tim I Feel The Spirit", an old spiritual dating from before the Civil War.