Listen to Christmas Oratorio No. 1 in G Major, BWV 248: I. Christians Be Joyful online. Christmas Oratorio No. 1 in G Major, BWV 248: I. Christians Be Joyful is an English language song and is sung by Vienna Symphony Orchestra and Ferdinand Grossmann. Christmas Oratorio No. 1 in G Major, BWV 248: I. Christians Be Joyful, from the album Clash of the Composers: Johann Sebastian Bach vs. Joseph Haydn, was released in the year 2015. The duration of the song is 6:16. Download English songs online from JioSaavn.