@AC For me, it is Worthy Is the Lamb from The Messiah, surely among the most beautiful pieces of music ever written.
It is always the tenors that make me choke up. Most any tenor could have his way with me. My first tenor crush was in high school choir. He was, as my mother says, “homely as a mud fence,” short with serious acne and thick coke-bottle lens glasses. He was also, a bigger sin in my book, dumb as a rock, flunking every class except choir and advanced band. Ah, but when he opened his mouth and sang, I forgave all . . .