But before Paul can perform the song, he heads back into the recording studio. And Randy Jackson from American Idol is there again, too! Paul gets some singing lessons from Mariah's vocal coach, Maryann Tatum, while Kenneth puts finishing touches on the tracks.
"I wanted to showcase the breathy part of his voice which I think is so beautiful," Mariah says of Paul. "I just hope that people who hear it enjoy it and sense the pure heart that he has when he sings. I feel like that's going to shine through."
Paul still can't believe that he's living his wildest dream. "It's so cool," he says. "This is a major journey for me—a boy from a small town. I mean, this is incredible."