Bach's cantata for solo soprano "Mein Herze schwimmt im Blut" was written during the summer of 1714 for the Weimar Court service on the 11th Sunday after Trinity. The cantata text by the Darmstadt Court poet Georg Christian Lehms [1684-1717], based on the well-known parable of the Pharisee and the publican, takes on extraordinary potency and intensity of expression in Bach's setting. Bach performed this cantata several times, in Weimar, and also during his years at Cöthen aud Leipzig, meanwhile ...