Rob Gronkowski Played a Mean (Air) Guitar On-Stage with Paul McCartney & Bob WeirRob Gronkowski Played a Mean (Air) Guitar On-Stage with Paul McCartney & Bob WeirI'm not sure how Gronk got his invite but I'm pretty sure he's always in Boston/Foxboro waiting for opportunities to make large crowds scream and hyperventilate. Kylie QueenKylie Queen