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The 13-member group, dressed in shades of black, performed highly synchronized dance sequences alongside peppy hits such as “HOT”, “Rock with you”, and “VERY NICE”, thrilling thousands of music fans in one of Glastonbury’s most atypical sets. SEVENTEEN drew a smaller crowd than proceeding acts on the stage, but many of those who came to check them out sang, waved, and danced along even without knowing any of the songs. Loyal Seventeen fans, who are called “carats”, lined the front row.