Original tekst: Verdi Operas. Otello, Act II, Part 1 - Credo. Rigoletto, Act I, Part 2 - Signor ne principe io lo vorrei. Version 2.0.
Oversættelse: Verdi Operaer. Otello, Act II, del 1 - Credo. Complete Vocal Scores. Giuseppe Verdi. Voice noder. Verdi Operaer. 2 cd-rom'er.