I liked his verses on the second Deltron 3030. And there's other stuff I'm forgetting, like Hiero-related guest verses. But I will admit he had a run of what seemed like rushed and ultimately subpar albums.

>He's fallen off in a major way. Wasn't he taking music theory
>or some shit? I'm like dude stop taking whatever music studies
>you're doing and bring my dude back.

On the real, he'd been in to that music theory steez even in the early '00s when he was putting out "Both Sides of the Brain." I think it was other stuff that sidetracked him.