Listen to Gregory the Great: Videns ergo vir beatus  online. Gregory the Great: Videns ergo vir beatus  is an English language song and is sung by Philip Cave and Magnificat. Gregory the Great: Videns ergo vir beatus , from the album Sacred Chants, was released in the year 2017. The duration of the song is 2:21. Download English songs online from JioSaavn.