Lady Gaga, John Legend, Celine Dion and Andrea Bocelli brought “One World: Together at Home” to a close with soaring four-part harmony — and accompaniment by piano virtuoso Lang Lang — with “The Prayer,” the song that became an inspirational standard after Dion and Bocelli recorded it separately and together 21 years ago. It was…

via Watch Lady Gaga Lead Star-Studded ‘The Prayer’ with Celine Dion, John Legend and Andrea Bocelli for ‘Together at Home’ — Variety