He conducts an ongoing interrogation about what it all means. What’s black culture? What’s hip-hop? What are the responsibilities of a society and the people in it? And his inquiry isn’t bloodlessly academic, either; there’s something very consequential about his approach.

I remember once, when I was a kid, hearing Johnny Winter singing “Tired of Tryin’ ” with Muddy Waters on guitar, on the Nothin’ but the Blues album, and hearing him sing and liking what I heard and then looking at a picture of him on the album and double-taking, maybe triple-taking, and then wondering what it meant to be black (or white, or albino)