He used it in 1714 and later for the third Sunday after Trinity of the liturgical year. The work marks a transition between motet style on biblical and hymn text to operatic recitatives and arias on contemporary poetry.
For an overview of such resources used by Bach, see individual composition articles, and overviews in, e.g., Chorale cantata (Bach)#Bach's chorale cantatas, List of chorale harmonisations by Johann Sebastian Bach#Chorale harmonisations in…
Of no other instrument is Bach's characterisation so clear and consistent as the Blockflöte ... No other instrument identifies itself so closely with the simple piety of Bach.