A Pop-Art History of Warfare

Diana Krall fans might breathe a sigh of relief. U.S. Marines in Iraq play and sing plenty of music in George Gittoes' documentary Soundtrack to War (2004)—from gore metal to gospel, thrash to rap—but the Canadian songbird's contemporary jazz is not included. "We support you, Diana," says one soldier in the film. "We just can't listen to you when we roll." It's one telling moment in a movie filled with them. Another is the scene where a gospel choir in U.S. Army fatigues breaks off its outdoor rehearsal because of enemy fire: "That's the real...