The idea of a concert special didn’t exactly light up Ed Sheeran’s mind.

“Every time it was pitched to me, I just wasn’t excited,” says the English singer and songwriter who’s spent the last decade or so among the world’s top touring acts. “‘We could do this theater and this town and this…’ — it was like, ‘I’ve seen that before.’”

But then Sheeran got a call from Ben Winston, the Emmy-winning producer and director known for his role overseeing the Grammy Awards and as a creator of James Corden’s “Carpool Karaoke” series.

Actually, it was an email, Winston points out. “You can’t call Ed because he doesn’t have a phone,” he says. “You have to email him and hope he FaceTimes you back from his iPad.”

Winston’s pitch earlier this year was simple but intriguing: What if they took the one-sho

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