Listen to O Quam Dulcis online. O Quam Dulcis is an English language song and is sung by Yorkshire Baroque Solosits, Peter Symour and Yorkshire Bach Choir. O Quam Dulcis, from the album Festive Mass At The Imperial Court Of Vienna, was released in the year 2007. The duration of the song is 3:43. Download English songs online from JioSaavn.