Some articles on dementia…
https://www.express.co.uk/expressyourself/167088/Dementia-Singing-away-the-pain
https://www.express.co.uk/news/world/350552/To-cure-Alzheimer-s-we-need-to-use-our-brains
https://www.express.co.uk/entertainment/music/498021/Richard-and-Adam-singing-for-dementia-patients
https://www.express.co.uk/entertainment/theatre/232826/Theatre-Review-An-Evening-With-Dementia