Rammstein is a band committed to blunt force. You could hear it and feel it on the final night of the German act’s long-delayed U.S. stadium tour, erupting at the Los Angeles Memorial Coliseum on Saturday night with the heaviest guitars and industrial beats, abrasive electronics, and literal fireballs. Rammstein meant to leave a mark and they did, with thousands of fans pummeled into noisy ecstasy and a sky tinged with smoke and fire. The concert unfolded on a stage built into a towering dystopian cityscape right out of Fritz Lang’s silent classic Metropolis, which blended easily with the old Olympic stadium’s nearly 100-year-old structure. It was all suited to a band with a weakness for big gestures, as Rammstein delivered more than two hours of music and noise from the Neue Deutsche...