Photo: Courtesy of Netflix On the tape, you see Lionel Richie lead Stevie Wonder to the piano. Stevie promptly belts out the voice, in a Bob Dylan voice, like it’s nothing. Stevie Wonder’s Bob ...

“Can We Fix Our Nation’s Broken Heart,” on a kalimba-like guitar-piano-harp hybrid instrument called a harpejji, which he has mastered in the last decade, because he’s Stevie Wonde ...