Ich glaube, lieber Herr, hilf meinem Unglauben BWV 109 |
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Church cantata by J. S. Bach | |
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Occasion | 21st Sunday after Trinity |
Performed | 17 October 1723Leipzig : |
Movements | 6 |
Cantata text | anonymous |
Bible text | |
Chorale | by Lazarus Spengler |
Vocal | |
Instrumental |
Ich glaube, lieber Herr, hilf meinem Unglauben (I believe, dear Lord, help my unbelief),BWV 109, is a church cantata by Johann Sebastian Bach. He composed it in Leipzig for the 21st Sunday after Trinity and first performed it on 17 October 1723.
Bach wrote the cantata in 1723 during his first year in Leipzig for the 21st Sunday after Trinity. The prescribed readings for the Sunday were from Paul's Epistle to the Ephesians, "take unto you the whole armour of God" (), and from the Gospel of John, the healing of the nobleman's son (). The unknown poet of the cantata text stressed the faith, which made the healing possible. The cantata opens with a quote from the Gospel of Mark, The possessed boy, Mark's rendition of the gospel (). The following movements almost form a dialogue between fear and hope, or belief and doubt, such as Bach would compose three weeks later in O Ewigkeit, du Donnerwort, BWV 60, and again for Easter of 1724 in Erfreut euch, ihr Herzen, BWV 66. Movement 2 is a dialogue, movement 3 the expression of fear, movements 4 and 5 turn to hope. The closing chorale is verse 7 of "Durch Adams Fall ist ganz verderbt" of Lazarus Spengler (1524).
Bach first performed the cantata on 17 October 1723.
The cantata in six movements is scored for alto and tenor soloists, a four-part choir, cor du chasse (corno da caccia or corno da tirarsi), two oboes, two violins, viola, and basso continuo. The cor du chasse is possibly the same instrument as the slide trumpet used a week before in the performance in Leipzig of the cantata Ach! ich sehe, itzt, da ich zur Hochzeit gehe, BWV 162, written in Weimar. Its added part is not in the score. In the opening chorus it plays mostly colla parte with the first violin, in movement 6 the cantus firmus with the soprano.