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 Martha Wash Rumer Susan Boyle Mormon Tabernacle Choir Cam Andrew Lloyd Webber David Lambert Katie Armiger Byu Men'S Chorus Alana Grace 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 Anna Blue Don Davis Idina Menzel David Arnold Anna Clendening Sonic Mayhem Apache Sonic Andrea Bocelli Carole King Edith Piaf Celine Dion