Nicolai Ghiaurov sings "Ella giammai m´amo"

Bulgarian bass Nicolai Ghiaurov (born 1929) sings "Ella giammai m'amo" from Verdi´s Don Carlo.

The AMG Allmusic Guide to Classical Music describes his voice in this way:

During his prime, his voice was among the richest and most sonorous basses of the twentieth century, and even as much of its freshness and bloom was gone toward the end of his career, it retained its expressiveness and technical excellence.
I hope you enjoy his singing as much as I do!