[tos]fan999, absolutely! I still get chills just thinking about it.
Others:
Basically "How Could I Ever Forget" and everything that happens after in Next to Normal.
The ending of Passing Strange.
Paul's monologue in A Chorus Line.
The finale of A Tale of Two Cities.
The end of "Fable" in The Light in the Piazza.
The first act finale of Sunday in the Park... when the painting comes together and "Children and Art."
"Step in Time" in Mary Poppins.
The first time I saw the end of "Defying Gravity" I cried for some strange reason.
A little swash, a bit of buckle - you'll love it more than bread.