This again seems to be coming down to favourite singers or even records, that is understandable, but some mentioned are by no means the greatest by a long shot. Great singers yes, Levi for instance, yes great singer but he isn’t in the same league as Jackie Wislon or
Little Willie John. LWJ, even James Brown wouldn’t follow him on stage as it was said no one could compare and the crowd wouldn’t even pay attention after he’d been on. Listen to the range and depth of his voice and it is easy to understand why.