The Royce Twins – I Won’t Give Up – The X Factor Australia 2013 FULL AUDITION by SOUTHOMER · August 4, 2013 The Royce Twins audition with “I Won’t Give Up” by Jason Mraz on The X Factor Australia 2013. Watch the video here. Photo credit: The X Factor Australia Official Facebook Page This is such a wonderful song and they just made it super amazing. Great warm tones and unique sound! So important to understand your lyrics too. Well done twins! Did Royce Twins inspire you?