Desc: BBC Proms: Oklahoma!: Directed by Bridget Caldwell. With Marcus Brigstocke, Lizzy Connolly, Robbie Fairchild, Nathaniel Hackmann. Bursting not just with tunes but emotions, Rodgers and Hammerstein's Oklahoma. brought new dramatic depth to the Broadway musical. John Wilson and his orchestra bring their signature energy and swagger to this much-loved classic.