Mark McMullan wowed the Britain's Got Talent 2019 judges this weekend with a cover from Les Misérables.
The 23-year-old from Northern Ireland took to the stage in Saturday night's episode of the latest series.
He told the judges how he wanted to sing Bring Him Home from the hit stage musical for his brother, Declan.
Mark explained: "Bring Him Home is a very personal song to me and my family. About six years ago my older brother took sick from a brain injury and he was left with a condition called Locked In Syndrome.
"It basically means he's trapped inside his own body and the only thing he can really do is here so music became a big comfort for him."
"Everything in my life lined up to this moment to bring me here. Half of me is here today for me to pursue my career in music and the other half is here to do them proud," added Mark.
After singing, Mark got a standing ovations from judges Simon Cowell, David Walliams, Alesha Dixon and Amanda Holden.
Amanda Holden praised: "It was beautifully done. Well done, you're a wonderfully talented boy."
David Walliams added: "It was incredible, you've got this absolutely beautiful singing voice and you made us listen to every single word of that song. I think you did you brother and you proud."
Alesha Dixon commented: "It was a very confident, self assured performance. It had a lot of meaning to it. I though it was a perfect tribute to your brother."
Simon Cowell concluded: "Declan is lucky to have a brother like you. I wouldn't be surprised if you start getting calls from West End and Broadway producers because you're that good."
Other acts that impressed on Britain's Got Talent this weekend included 28-year-old singer Rob King from Manchester who performed a Eurovision hit Rise Like A Phoenix and all women magic act Angels Inc. stunned with an incredible performance.
25-year-old variety performer Jay Rawlings set a brand new world record for his audition before 34-year-old comedy magician Graeme Mathews impressed with his routine which saw Amanda up on stage involved in his act.
Britain's Got Talent 2019 continues Saturday nights on ITV.
The live semi-finals will start later this month.