Lead singer Brian Johnson of AC/DC performs during their Black Ice world tour at the Verizon Center in Washington D.C., Saturday, November 15, 2008. (Rod Lamkey Jr/The Washington Times)

Lead singer Brian Johnson of AC/DC performs during their Black Ice world tour at the Verizon Center in Washington D.C., Saturday, November 15, 2008. (Rod Lamkey Jr/The Washington Times)