And in an instant, lo, a hole in the sky appeared, and then it hit me like (bang bang) Maxwell's Silver Hammer when "Get Back," the Beatles? 1969 classic song to roller-coast by, cued up on my iPod during one morning's commute. As Paul McCartney's lead vocal embraced the song's galloping melody line, a great revelation emerged: I can sing Black Sabbath?s "Paranoid" to the same tune! Black Sabbath, the dark lords of melody . . . revealed!