Elvis Costello first witnessed the power of music on Alzheimer's and dementia sufferers in his own grandmother, Molly MacManus. Her husband, Costello's grandfather, had been a musician and she was able to hold on to memories of key events in his career. "She could recall both slights and achievement from many
This article originally appeared on www.rollingstone.com: Elvis Costello Talks Personal Reasons Behind New Alzheimer’s PSA