Listen to Un ballo in maschera: "Forse la soglia attinse" (Riccardo) online. Un ballo in maschera: "Forse la soglia attinse" (Riccardo) is a German language song and is sung by Orchestra Del Teatro Alla Scala Di Milano, Antonino Votto and Giuseppe Di Stefano. Un ballo in maschera: "Forse la soglia attinse" (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 2:41. Download German songs online from JioSaavn.