His voice has declined over the years and it's a huge disadvantage. If you listen to his old free styles, his voice had much more exuberance to it. I hope he looks into voice training. here is a site http://www.speechtraining.com/
Relapse was an attempt to get his old voice back, but it didn't serve him. That really is what separates him now and then. Now he's choppy and harder to comprehend. In order to bring Shady back, he needs his voice.