Bringing Back Alzheimer's Patients With Music

IPods loaded with music from their youth seem to awaken lost memories.
3:00 | 03/05/14

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Transcript for Bringing Back Alzheimer's Patients With Music
And finally tonight, we all have songs that indelibly remind us of special times in our lives. In Atlanta, one social worker toward a new mission. To awaken memories in Alzheimer's patients, with used iPods and songs from their youth. ABC's Byron Pitts and the man who is "America strong." Hi, papa. Huh? Reporter: The ravages of Alzheimer's. It is heartbreaking to watch. Who am I? Reporter: This is Henry dryer, in his 90s. His mind and his being disappearing, breath by breath. But keep watching. Try your music, okay? A remarkable transformation. Reporter: Do you like music? I'm crazy about music. And they play beautiful music. Reporter: It's all because of the music from Henry's youth. The man behind it, Dan Cohen, a social worker, who thought, what if we took all those old iPods, sitting unused, and got them to others, like Henry. And since the images of Henry became a youtube sensation, donations have been pouring in. Every playlist is like a fingerprint. Everyone is different. Oh, we've got dean martin. Reporter: 93-year-old Richard wilde loves big band. "Volare." ♪ Oh, oh, oh ♪ After breakfast, first thing. Makes my day. Reporter: His customized playlist, awakening his past. Researchers think music touches so many areas of the brain, making connections. It may have the power to stir memories and understanding otherwise lost. Somebody after ten months of having their own music, let's say, three hours a week, will score 50% better on their cognitive exam. So much more verbal. Reporter: Bill paese's wife, Jean, says his barbershop music brings back glimpses of the man she married. He's in there. Reporter: And the music helps him? Yes. Reporter: Cohen's goal is to collect 1 is million music players. You still dance? Sure. Want to dance? Reporter: Edna loves Eddie Williams "Canadian sunset." It's the simple pleasures of life, near the end of the life. How am I doing? How am I doing? Reporter: That makes Dan Cohen's ambitious idea "America strong." Byron Pitts, ABC news, plymouth,

This transcript has been automatically generated and may not be 100% accurate.

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