Edinburgh care home resident Margaret Mackie and her care worker Jamie Lee Morley is currently in the UK's top 10 singles chart with a cover of Frank Sinatra’s My Way beating Billie Eilish and Lewis Capaldi.
A video of Ms Mackie, 84, singing the song with home worker Jamie Lee Morley, 31, last December went viral - so he decided to record the tune professionally and release it as a single.
The song, which raises money for Alzheimer's Society and Dementia UK, is now sitting at number four in the Amazon best seller chart - above Lewis Capaldi and Billie Eilish.
My Way is available to download now with all proceeds going to Alzheimer’s Society and Dementia UK
Mr Morley has been caring for Ms Mackie since she became a resident at Northcare Suites in Edinburgh last October.
He told the BBC: "The first time I heard Margaret singing, she was sat in the lounge area and I walked past, and I thought there was a radio on. "So I walked back and I thought, 'Is that Margaret?' It was just beautiful," he explained.
In December Mr Morley helped take Ms Mackie's singing career a step further and they headed into the studio where it took just 45 minutes and two takes to record.
Having watched his grandfather live with Alzheimer's Mr Morley wanted to do his best to raise money and let Ms Mackie have some fun.
Ms Mackie told the BBC: “I have some favourite song words and I like to go into a quiet room and just sing."
Ms Mackie who suffers from dementia loves singing and dancing
Ms Mackie has now said she would love to record another song and joked about an album.
"It's great seeing your face in all those newspapers. It's nice to have a busy life like that, every now and then," she said.
Mr Morley said it was incredible that Ms Mackie was note and pitch perfect while living with her condition.
A part-time singer himself, they often perform classics together like Frank Sinatra and Elvis Presley.
"The story between Margaret and me, and the memories we've made for her family as well as everyone else at Northcare, that's what it's all about," Mr Morley said.
Mr Morley revealed that the emotional response to Ms Mackie and him singing had made him "a blubbering mess."
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