J Dilla's offbeat proclivities made him one of the most celebrated beatmakers in hip-hop history, and his wide array of projects reveals the full extent of his eccentricities. Take “Lightworking,” on which he flips a Raymond Scott sample and transforms it into a tweaked-out, tic-driven track that tests the flow of MCs Talib Kweli and Q-Tip. His cosmic creation “E=MC2” comes on like an analog starship, blasting Common off to another galaxy.