Wow, was that uncomfortable or what? He was goofing on the whole thing. You could tell Herbstreit didn't think him being there was a good idea. Total train wreck.
Seemed like some old rapper 99 Problems rip off with Rick Rubin attempting to resuscitate E's career. We get it, guitar riff, wacky beard old white guy... Unless you are Chuck D or somebody, old rappers should shut it down.
In terms of facial expressions, Eminem always looks like a bratty 6 year old who is being passive aggressive with his parents because he was just sent to timeout.