Tony Bennett at 95 is still performing concert tours. However, due to dementia, he sometimes forget words. And upon his doctor's recommendation, he's retiring. His son said he could still physically perform, but dementia's getting in the way. What a great career .. seems like he enjoys the concert tour life and does not see it as work.
https://www.yahoo.com/entertainment/singer-tony-bennett-officially-retires-004922895.html
https://www.yahoo.com/entertainment/singer-tony-bennett-officially-retires-004922895.html