A heartwarming story

This story has, understandably, caused quite a stir. An elderly man with dementia who has been singing publicly for many years is still able to sing his songs even though his dementia often means that he is lost for words when he tries to communicate:

http://www.itv.com/news/granada/update/2016-08-05/heartwarming-video-of-dad-and-son-singing-goes-viral/