These are the opera songs from the Double Clef radio station on Grand Theft Auto 3. The song from the commercial is the first one listed. Hope this helps!!!
'O mio babbino caro' from Gionni Schicchi written by Giacomo Puccini, performed by Tito Gobbi, Cecilia Fusco and Renzo Casellato with the RAI Orchestra & Chorus, Milan, conducted by Massimo Pradella
'Non piu andrai farfallone amoroso' from Le Nozze di Figaro written by Wolfgang Amadeus Mozart - Performed by Sesto Bruscaentini and Teresa Berganza with die Orchestra e Corodi Roma della RAI; conducted by Zubin Mehta
'Chi mi frena in tal momento' from Lucia di Lammermoor written by Gaetano Donizetti - Performed by Renata Scotto, Luciano Pavarotti and Piero Cappuccilli with the Orchestra Sinfonica e Coro di Torino della RAI conducted by Franchesco Molineri Pradelli
'Libiamo ne'lieti calici' from La Traviata written by Guiseppe Verdi - Performed by Renata Scotto, Jose Carreras and Sesto Bruscantini, conducted by Nino Verchi
'Finch'han del vino' from Den Giovanni written by Wolfgang Amadeus Mozart - Performed by Sesto Bruscantini, Nicolai Ghiaurov and Alfredo Kraus with die Orchestra e Corudi Roma della RAI, conducted by Carlo Maria Guilini
'Le Donna E Mobile' from Rigoletto written by Guiseppe Verdi, Performed by Luciano Paverotti and Renata Scotto with die Orchestra and Chorus of Teatro Comunale of Florence conducted by Carlo Maria Giulini
All above recordings courtesy of Opera d'Oro Records und Allegro Corporation, www.allegro-music.com