He has this one - http://www.youtube.com/watch?v=dnbKU3T6qDk
Well, he has registered 616 songs with ASCAP. Of course this doesn't count the plethora of bootlegs that were never officially released. It also includes songs that were sampled where he is credited...
Just this one - http://www.youtube.com/watch?v=dnbKU3T6qDk
57
to many
That could be true, but no one knows for sure.