Live, Beck has covered "Black Math." Jack White has shown up at a couple of Beck concerts over the years, joining in on "Cold Brains," "99," and "Last Fair Deal Gone Down." Beck showed up once at a White Stripes concert to play bass on "The Denial Twist."
In the studio, Jack White plays bass on "Go It Alone." Beck produced (in his living room, no less), and played, on a Stripes single with these songs: "Honey, We Can't Afford To Look This Cheap," "It's My Fault For Being Famous," "Conquest (Mariachi version)," and "Cash Grab Complications On The Matter."
Beck was in a White Stripes music video as well.