The off-kilter funkadelic vocals D'Angelo already did
The tight bassline work already done way better by actual studio musicians instead of producer collections here
The Roots-esque white girl singing on the Anna Wise tracks
Institutionalized (at least the first beat) is a less good version of the Elzhi-Dilla track off Welcome to Detroit, except with better drums, bassline, and Elzhi with no helium rapping:
This album doesn't suck, but both those I mentioned do the same elements Kendrick tried here way better.