In January of 1979, the great soul artist Donny Hathaway fell fifteen stories from a window of Manhattan's Essex House Hotel in an alleged suicide. He was 33 years old and everyone he worked with called him a genius. Best known for "A Song for You," "This Christmas," and classic duets with Roberta Flack, Hathaway was a composer, pianist, and singer committed to exploring "music in its totality." His velvet melisma and vibrant sincerity set him apart...