This one,the song starts at 1.20,bit before is kinda necessary to the scene though.
Grey's Anatomy,end of Season 5
http://www.youtube.com/watch?v=0CcxHGn9L-c
Grey's Anatomy end of Season 2,Denny Dies
http://www.youtube.com/watch?v=IURwFVaw7iM
End of 'A Walk To Remember' wedding scene
http://www.youtube.com/watch?v=2yDAFd_PFkA
I'll be back later :P