The question of who is The Great Pretender and who is merely an impostor has moved from the stage to the courtroom.

Promoters of several rock ‘n’ roll oldies groups charged in court on Sept. 7 that the state overstepped its authority when it served subpoenas on the Atlantic City Hilton Casino last month over a series of performances by bands billing themselves as offshoots of rock ‘n’ roll legends the Platters, Drifters and Coasters.