Listen to Vesper Invitato online. Vesper Invitato is an English language song and is sung by Leitung P. Seb. Fischer OSB and Mönche der Bebediktinerabtei Ettal. Vesper Invitato, from the album Mystica Gregoriana, was released in the year 1987. The duration of the song is 4:37. Download English songs online from JioSaavn.