When a man with Alzheimer's disease could not remember the lyrics or melody to a song he liked, his caretaker offered up his own voice to help him out.

The caretaker began singing the gorgeous tune after his patient mentioned how he loved Bolero, but could not recall any songs.

After the caretaker began singing a few bars, however, the patient was able to join in—and the resulting duet is magical.

(WATCH the heartwarming video below)

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