He also co-wrote Miley Cyrus' single "Wrecking Ball" from her 2013 studio album Bangerz. For the Vancouver 2010 Winter Olympics, Moccio co-wrote the theme song “I Believe” performed by Nikki Yanofsky. He has collaborated with a diverse roster of artists including, Avril Lavigne, Seal, Dua Lipa, Ellie Goulding, Shaffer "Ne-Yo" Smith, James Blunt, Jason Derulo, Jamie Cullum, BeBe Winans, Jon Bellion, Paloma Faith, Jordan Smith, Fergie, Boi-1da, as a songwriter, musician and producer.