Gloria in Excelsis Deo, BWV 191

An insteresting case of self-borrowing. Bach took music from his own Mass in B-minor (BWV 191/1 corresponds to the Gloria in excelsis Deo, BWV 191/2 to the Domine Deus, BWV 191/3 to the Cum sancto spiritu) for use in this latin cantata written to ...