"" (We all believe in one God) is a Lutheran hymn, a paraphrase of the creed, by Martin Luther and first published in Johann Walter's chorale hymnal Eyn geystlich Gesangk Buchleyn. The hymn was used in several musical settings, including Kleine Geistliche Konzerte I, SWV 303, by Heinrich Schütz, and Johann Sebastian Bach's Clavier-ÃÂbung III, BWV 680 and BWV 681. The Zahn number of its hymn tune is 7971.