[mnehring]

That is by Rossini, it is an actual classical piece.

[Northern Yankee]

I remember listening to a recording of this piece a number of years ago sung by Elizabeth Schwartzkopf.

[AnAmericanMother]

It's actually from the second act of Rossini's opera Otello. It's parts of an aria, "Ah, come mai non senti," and the succeeding duet between Othello and Iago.

Schwartzkopf and Los Angeles recorded this one.