Listen to Gloria in Excelsis Deo online. Gloria in Excelsis Deo is an English language song and is sung by The Regency House Choir. Gloria in Excelsis Deo, from the album Carols at Christmas - The Very Best Xmas Carols & Hymns, was released in the year 2016. The duration of the song is 1:54. Download English songs online from JioSaavn.