Mario Lanza – Le Grand Caruso (1958, Vinyl) - Discogs
Rigoletto, Act I, Scene 1: "Questa o quella per me pari sono" (Duca) [From " The Great Caruso"] von Mario Lanza, Constantine Callinicos, RCA Victor Symphony Orchestra bei Amazon Music - Amazon.de
Rigoletto - Wikipedia
Questa O Quella (from Rigoletto) By Andrea Bocelli Giuseppe Verdi - Digital Sheet Music For Piano Vocal - Download & Print HX.365868 | Sheet Music Plus
Enrico Caruso – Rigoletto (Verdi): Questa o quella (1908, Shellac) - Discogs