My experience with nursing home audiences suggests this list of concensus favorites. 1 God Bless America

2 You Are My Sunshine

3 Side By Side

4 Toora Loora Loora

5 Let The Rest Of The World Go By/ Smile The While (I do them as a medley)

6 When The Saints Go Marching In

In extreme old age, the mind tends to recall the songs of childhood. So, even though, your audience might have heard Elvis in their twenties, they are more likely to respond to the standards they learned in grade school.