Listen to Rigoletto - Caro nome - Allegretto (no vocals) online. Rigoletto - Caro nome - Allegretto (no vocals) is an English language song and is sung by Bulgarian National Radio Symphony Orchestra and John Landor. Rigoletto - Caro nome - Allegretto (no vocals), from the album Karaoke Opera: Soprano Passions, was released in the year 2009. The duration of the song is 4:50. Download English songs online from JioSaavn.