From a Los Angeles hospital bed, equipped with little more than a laptop and a stack of records, James "J Dilla" Yancey crafted a set of tracks that would forever change the way beatmakers viewed their artform. The songs on Donuts are not hip hop music as "hip hop music" is typically defined; they careen and crash into each other, in one moment noisy and abrasive, gorgeous and heartbreaking the next. The samples and melodies tell the story of a man coming to terms with his declining health, a final love letter to the family and friends he was leaving behind. As a prolific producer...