Listen to Gloria in Excelsis Deo online. Gloria in Excelsis Deo is an English language song and is sung by Rudolph The Reindeer. Gloria in Excelsis Deo, from the album Christmas Season: Soothing, Tranquil, Peaceful version of the Most Popular Christmas Songs (Guitar and Piano), was released in the year 2016. The duration of the song is 1:45. Download English songs online from JioSaavn.