beats me... if I'm alone with someone I have no trouble getting in the mood. I don't think I've ever been with anyone where we were listening to music. it's always been tv.
if I were gonna pick 3, it'd probably be something romantic, like
let me be the one - rik emmett or grow old with you - adam sandler. ok, the 2nd one is kinda goofy, but I think it's romantic, too.