via bcnn1.com heologians and clergy members of every religious stripe may debate the existence of God until the cows come home. Mavis Staples in a documentary history of black gospel music. But
Mavis Staples performed her heart out on the stage of Conan O Brien's late night talk show. Mavis has been on the show a few times. On February 13, 2011, Mavis Staples won her first Grammy award.
