This is Gladys Wilson. She has advanced Alzheimer's and most days she is unable to speak.
This is Naomi Feil. She works with Gladys and other Alzheimer's patients through Memory Bridge.
Naomi is Jewish, but as a clinician she knows that music often offers comfort and connection to those who can remember little else.
Naomi was right.
Watch the incredible moment of connection below.
View this video on YouTube
This heartwarming video was first posted in 2009, but the incredible interaction has obviously touched many people, and has been going viral again this holiday.
h/t Katherine Stone.