Elaine Paige Linda Eder Jane Olivor Sheridan Smith Barbra Streisand Alfie Boe Najwajean Ramin Karimloo Lorrie Morgan Maggie Reilly Tim Janis Damien Dawn Anthony Rapp Adam Pascal Rumer Martha Wash Susan Boyle Mormon Tabernacle Choir Cam Andrew Lloyd Webber Lourdes David Lambert Katie Armiger Alana Grace Byu Men'S Chorus Joni Mitchell And L.A. Express Julia Fordham Byu Vocal Point Talk Dirty Alyssa Bernal Julia Sheer Brooke Hyland Lesley Roy Emily Osment Patti Lupone Manhattan Transfer Dolly Parton Jeremy Jordan Don Davis Idina Menzel Anna Blue David Arnold Anna Clendening Sonic Mayhem Apache Andrea Bocelli Sonic Carole King Edith Piaf