So funny that I found this thread, that is the song I was crying to on the way back from the gym! Found my old Michael Crawford sings Disney CD, all tear jerkers really, but that is the one that makes the tear roll down the cheek.
Second would be When she loved me, also on that CD. Deb
Go The Distance from Hercules, always gets me cause I always feel like one day I will get to find where I belong that this road with constant hurdles uphill will finally end.
The Up music definitely. I still think this is by far the best Pixar movie, it's just beautiful. My DB cried in the cinema at the scene where it shows them growing up etc. It's just such a powerful piece of cinema.