So beautiful, in viewing Michael Jackson’s Journey From Motown to Off the Wall, Spike Lee’s documentary now available on Showtime, the sight of MJ au natural, his face unmarred by surgery, his youthful and impassioned spirit intact. The doc tours the great Quincy Jones-produced album “Off the Wall” with superb talking heads. This video by The Jacksons, “Enjoy Yourself,” preceded “Off the Wall,” which was, of course, a solo effort. In displaying MJ’s genius unfettered, doc leaves mystery. What on earth happened to Michael Jackson?