httpv://www.youtube.com/watch?v=6TfAyX8l5-g
This is my #1 favorite song in all of music. If you are interested in more information on this piece, I have a previous post with translation and background information here:
https://www.conradaskland.com/blog/2006/11/ave-verum-corpus-wa-mozart/
Ave Verum Corpus by W.A. Mozart.