Listen to Missa in pastorale in A Major (arr. M.A. Willens): Gloria online. Missa in pastorale in A Major (arr. M.A. Willens): Gloria is an English language song and is sung by Roberta Mameli. Missa in pastorale in A Major (arr. M.A. Willens): Gloria, from the album Neapolitan Christmas, was released in the year 2011. The duration of the song is 3:39. Download English songs online from JioSaavn.