The Boston Globe has posted a review of Katy Perry’s “Witness: The Tour” stop in Boston, MA.

Say what you will about Katy Perry: She knows how to put on an eye-popping spectacle. During her Friday night show at TD Garden, the attention-grabbing chart-topper floated around the arena on a planet while strumming an acoustic guitar, emerged from its nether regions while perched on a giant hand, and engaged in calisthenics while atop a sleek motorcycle. She shot hoops with a father in the audience; she brought up a young man in a Superman shirt and invited him to wish on a star (he asked for world peace, which ignited a firestorm of applause); she called her mom while Left Shark, the lackadaisical Jabberjaw-costumed dancer who lit up Twitter during Super Bowl XLIX, looked on. Her set was fast-paced and fun; she was flanked by energetic dancers, and her tight band put an inventive spin on some of her most shopworn hits.

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Perry’s showmanship and gumption are undeniable. But at times it’s hard to reconcile her proclivities toward pettiness with her position in pop’s upper echelons, especially her rousing anthems about inner strength. […]