Dutch pop prince Ziggy's been misunderstood his whole life, even by his late father. They were able to reconnect last year before his dad passed away, but Ziggy wishes he could meet him again and see how proud his rock star dad would be of his son who's competing on American Idol. On the Hollywood Week stage, Ziggy's singing this Kodaline song because 'All I want is him back.' Watch Sunday at 8/7c on ABC. Stream on Hulu.