Watch Sara Bareilles and Andrew Lloyd Webber perform 'I Don't Know How to Love Him'

Legend, who also executive-produced the special, said he signed on almost immediately after being offered the role.

“My whole life has been preparing for this because I grew up in church,” he said.

I have at least five preachers in my family, from uncles to cousins.

I’ve been hearing about Jesus my entire life."

She added that she had “almost exclusively” listened to Lloyd Webber musicals while growing up.

My voice was shaking.

I was all over the place," she recalled.

Lloyd Webber interjected with a joke that he “almost exclusively” listens to Bareilles' music.

“It doesn’t matter, you don’t need to be a Christian to feel that.

So that’s why we never took him down from the cross.

As producers, Legend, Rice, and Lloyd Webber are eligible for Emmy nominations.

Only 18 people have ever done it, including the likes of Rita Moreno and Barbra Streisand.

It brought the whole thing back to the energy I always hoped it would be,” he said.

“For me, it was kind of likeSuperstaras I had always hoped it would be.”

Watch the video above for more.