Andra Day Eryn Allen Kane Jordan Mackampa Caitlyn Scarlett Grace Love And The True Loves Chic Gamine Calum Scott Louis Baker Jennah Bell Francesca Belmonte George Ogilvie Captain Cuts Paloma Faith Amy Winehouse Sia Luce Wanting Adam Barnes Jess Glynne Lordes Eliza Doolittle Adele Ella Henderson Prince Of Spain Fantasia Sam Smith Jessica Lowndes Chord Overstreet Keywest Salt Cathedral Demi Lovato The New Respects Cristian Onofreiciuc Jennifer Holiday Michelle Chamuel Heidi Feek Uncle Reece Aosoon Timothy Bloom Cantus Lorine Chia Philippe Jaroussky Mia Rose The Teskey Brothers Christon Gray Les Soeurs Boulay Diane Birch Zz Ward Ella Eyre