Emilio Colon
Donizetti - Lucia di Lammermoor (Part 1) Orchestra and Choir Teatro Colon, Conductor - Juan Emilio Martini, Chorus master - Tulio Boni; Beverly Sills, Alfredo Kraus, Gian-Piero Mastromei, José Nait, Victor de Narké, Lydia de la Merced, Horacio Mastrango; Buenos Aires, Teatro Colon 40:02
Donizetti - Lucia di Lammermoor (Part 3) Orchestra and Choir Teatro Colon, Conductor - Juan Emilio Martini, Chorus master - Tulio Boni; Beverly Sills, Alfredo Kraus, Gian-Piero Mastromei, José Nait, Victor de Narké, Lydia de la Merced, Horacio Mastrango; Buenos Aires, Teatro Colon 35:21