Reverend Mother: Girl groups? Boogie-Woogie on the piano? What were you thinking?
Dolores: I was thinking more like Vegas, you know? Get some butts in the seats.
Biker: If this turns into a nuns' bar, I'm outta here!
Mother Superior, to Deloris: God has brought you here. Take the hint.
Answer: The event wasn't a Mass, it was a concert that the Pope requested. So neither he nor anyone else is there to worship; they're just there to hear the nuns sing.
ksc