Fin Chan Dal Vino from Don Giovanni by Mozart
Opera
Carmen is the name of the opera and Habanera is the song http://www.splendad.com/ads/show/2698-Bertolli-Opera
placido domingo
Celeste Aida
It is "Recitar! Vesti La Giubba" from the opera Pagliacci. (the part you hear in the commercial is about 1:50 in).
I don't know their names but they are legitimate opera singers.
I believe Daniel Oren is the current conductor of the Israeli opera.
Denyce Graves.
maria callas
Without more specific information, it is difficult to identify the exact opera song used in a past car commercial. Many car commercials have featured opera music, as it can evoke a sense of elegance and grandeur. However, you can try searching for the brand or specific commercial online to see if any information is available about the opera song used.
From the sOap opera all my children
If you are talking about the commercial from around 1980, it was an improvised appoggiatura - according to the woman who sang it!