songs. >> you know that music is stored in the part of the brain that's last affected by alzheimer's disease. emotion, the joy, the fun, the humor that came with singing when they were 18 or 24ha rehearsing weekly at m macphail center for music, it is split between the patients. her words jump out. it's frustrating. >> sometimes she can't say it, right? but she can sing the songs. >> mother and daughter, crushing stigmas together. >> it has just been uplifting. it is wonderful. >> love, love me do ♪ >> so don't fight that song stuck in your head. it is ice there waiting for a day you may need it.