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It plays softly in the background, and then Bono sings it, solo, a cappella.

But who would watch a show about Charlotte and Harry, and LTW and Herbert, living and loving and occasionally hooting in support of their friend’s corny a cappella outfit?

But as soon as it was over, I went back and listened to “Springsteen” a cappella in 30-mile-an-hour winds that night, and I knew it was good.

While still at school, Marianne began singing folk songs a cappella in Reading coffee-houses - and, before long, her exquisite looks and obvious talent saw her sucked into the vortex of Swinging 60s London.

She encouraged everyone in the room to participate as she sang “America the Beautiful” entirely a cappella.