Procol Harum's signature songs project high drama and cathedral-sized grandeur, but the band also have their irreverent side—like “Good Captain Clack”, a piano-rolled jaunt that leads to a cheery group chorus and circus-organ swirls. And amid the lush arrangements, Gary Brooker could slip in pointed social commentary: “As Strong as Samson” is an elegant soul ballad from which no authority figure—lawyers, psychiatrists, preachers—emerges unscathed.