Beyoncé soared across SoFi Stadium in a giant neon horseshoe, and then again in a red convertible Cadillac. She mounted and rode a gleaming, mechanical golden bull — all the while belting tunes from Cowboy Carter and her decades-spanning discography.

In a sharply worded letter to the diva’s production company Parkwood Entertainment, Kathleen McCarthy of the law firm King & Spalding, which represents Dolan’s Sphere Entertainment Group, accused the firm of prominently featuring and manipulating imagery of the Sphere without permission.