Listen to O Dolcissima Speranza online. O Dolcissima Speranza is an English language song and is sung by Alfed Deller & The Deller Consort. O Dolcissima Speranza, from the album Alfred Deller: French & Italian Discoveries, was released in the year 2009. The duration of the song is 1:51. Download English songs online from JioSaavn.