He has the voice of an (Hells!) angel, but Aaron's - let's go with unique - rendition of Let It Go from Frozen gets a frosty reception from Amanda.
He dreams of being a rock star, but will the "destroyer of Disney" make it to the next round?
Think you know gospel? You haven't heard Revelation Avenue!
This 12-piece choir from East London bring the house down with their rousing rendition of Roar by Katy Perry, bagging themselves a spot in the live shows when Amanda presses the golden buzzer.