Stick with the 50s, 60s and some 70s stuff, keep it upbeat and you can't go wrong. Sure, they like some Glenn Miller tunes, but not too many slow ones. Check out
http://www.elderlivingsource.com/search/IL and you'll find loads of places to look at.
Good Luck,
Gary
------------------
Travlin' Easy
_________________________
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)