Listen to Un ballo in maschera: "Di'tu se fedele" (Riccardo) online. Un ballo in maschera: "Di'tu se fedele" (Riccardo) is a German language song and is sung by Orchestra Del Teatro Alla Scala Di Milano, Antonino Votto, Giuseppe Di Stefano and Coro Del Teatro Alla Scala Di Milano. Un ballo in maschera: "Di'tu se fedele" (Riccardo), from the album Casta Diva! - The Greatest Opera Collection (200 Greatest Opera Hits), was released in the year 2016. The duration of the song is 3:17. Download German songs online from JioSaavn.