In the first round of tryouts, contestants will be asked to sing a chorus and verse from their song of choice for a producer.

But most of us can sing the chorus and first few lines of the rousing armscrossed song.

Fellow concertgoers in the standing area of the stadium formed a circle around the couple and cheered, before uniting to sing the chorus.

Then, without warning, all the players stand up and sing the chorus.

They brought in a local choir to sing the chorus at the end.