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350.org volunteer Mark Schwaller on Tuesday before the Radiohead show. (Photo by Sam Parker.)

The amphitheater formerly known as Great Woods, at the edge of a large conservation area in Mansfield, Mass., is now called the Comcast Center. Given that the headliner there on Tuesday night was Radiohead — a band that famously dropped its major corporate label, once touted Naomi Klein’s No Logo, and is now teaming up with the grassroots climate activists of 350.org — the name dripped a fitting irony.

Not that Radiohead has ever had a problem with contradiction or cognitive dissonance. Arty, cerebral darlings of serious post-boomer, meta-critical rock, they’ve made a career and some pretty great music out of it — doing their best to subvert techno-consumer culture by its own devices for a good two decades.