Review: 'Alive Inside' a joyful look at music's key to unlock dementia

Think of them as Lazarus moments.

One by one, we are introduced to a series of elderly people with serious dementia. People who’ve barely said a word in years, who don’t recognize their own children, who sit around nursing homes like the living dead. Then Dan Cohen does something to them and it’s like a switch has been turned on. They become, all of a sudden, gloriously happy and alive.