West Side Story. The death at the end combines the music of "Somewhere, there's a place for us, somehow, someday, somewhere," and Maria's rhapsodic affirmation of her love: "I have a love, and it's all that I have."
"One Hand, One Heart" moves this troper to tears nearly every time she even listens to it. Make of our lives one life / Day after day, one life. / Now it begins, now we start / One hand, one heart, / Even death won't part us now.
"I didn't believe hard enough."
SECONDED. In addition: "Yes... We can... We will..." Y'know what, just the entire ending.
"Te adoro, Anton."
Word of God reveals that, originally, Maria committed suicide after the ending of the musical. Thankfully that now seems to have been averted.
At the ending, the Jets all go to lift up Tony and carry him, but stumble under his weight. So a few Sharks run over to help without even thinking about it. They pause, staring at one another and contemplating, then the two groups all exit together, carrying Tony.