here are some suggestions i got when asking a similiar '?'

mazzy star
jack johnson 'better together' is good
matt costa 'sunshine" which i think is a very cute song

John Mayer - daughters
maroon 5 - nothing lasts forever
radiohead - no surprises (i would..ahah)
john lennon - real love

try Butterfly Kisses.. it's just perfect .. =D
best wishes...

that's what I immediately thought about....butterfly kisses

Through the years by Kenny Rogers is another good one

think of something that is meaningful to the both of you,....
shoud i ever hitch up,...dad and i will be danceing to 'it stoned me' by van morrison, because i can remember beig in the boat with him, fishing, when i was a kid,....and he would always sing that to me