One of my favorite sopranos of all time, Lucia Popp. Here are two of my favorite arias sung by this divine singer.
Queen of the Night. Die Zauberflöte (The Magic Flute) by Mozart.
If anyone sings “O mio babbino caro” any lovelier than Ms. Popp I don’t know who it is. Gianni Schicchi by Puccini.