in the late 90's he made Soundpieces & Angles Without Edges

6-7 years later he did Medicine Show, an unmatched series of releases

in 2014 he has one of the most critically acclaimed rap albums of the year & put out another installment of his BK series

no one else has been able to accomplish this variety & quality of work with this kind of longevity

Dilla would have

but the 3 i've mentioned so far can not match this level & time period at the top of the heap (and they are ALL in my top 5 fwiw)