The cast is in position, some clutching guitars, others making up the audience. The cameraman has framed his shot and the music is ready.
Then from a nearby minaret, the muezzin begins his call to prayer. Arabic verse wafts through the set just as the sun is setting over the surrounding roofs.
“OK,” shouts the director, “take five.” He turns to me and whispers quietly: “We’ll have to wait and try that again.”
I bet this never happens on the set of Glee, the all-singing, all-dancing American high-school drama featuring clear-skinned teenagers as they battle it out at show choir competitions.