As Kraftwerk subtly tweaked knobs and triggered sequencers with such precision that it seemed almost inhuman, the nearly two-hour show unfolded as a masterclass in electronic performance art.

This being Kraftwerk, the two-hour concert gave each song its own, unique visual treatment — and took full advantage of the Auditorium’s excellent acoustics.

During the past decade Kraftwerk has operated by the credo that if it’s not broken, don’t fix it — just tweak it a little. The pioneering German electronic group’s two-hour show on Friday ...

But watching Kraftwerk live isn’t like looking at an artifact. It’s not the musical equivalent of a Macintosh behind glass at the Smithsonian. It’s visceral, immersive, and still deeply alive.