Past Writing Bios Past Writing - Bios Blackbear Carrie Underwood Camila Cabello Madonna Sia Shania Twain Old Dominion Katy Perry Mike Shinoda Christina Aguilera Pharrell Williams Charlie Puth Nick Jonas Meghan Trainor Jack Antonoff/Bleachers Sara Bareilles Veruca Salt Maroon 5 Walk The Moon X Ambassadors Josh Groban Sarah Brightman Kandi Burruss Ricky Reed Lang Lang Evan “Kidd” Bogart YEBBA Kelly Clarkson 3LAU Jason Mraz Mikky Ekko Elle King Ellie Goulding Kandi Burruss Sky Ferreira Tori Kelly Rob Thomas Brooke Candy Raja Kumari Forest Blakk Rick Springfield Shakira Kesha Sarah McLachlan David Foster Avicii Perry Farrell Chrissie Hynde Pitbull Avril Lavigne Greg Kurstin Tyler Glenn Joan Osborne Andrea Bocelli Goo Goo Dolls Paramore Fitz and the Tantrums Lisa Marie Presley Ben Folds Alanis Morissette