Mer hahn en neue Oberkeet (We have a new governor), BWV 212, is a secular cantata by Johann Sebastian Bach.
On that day the hereditary feudal lord and Kreishauptmann, Carl Heinrich von Dieskau [de], chamberlain to the Elector of Saxony, celebrated his thirty-sixth birthday with a huge fireworks display and, as was customary, took homage from the peasants on the same occasion.
The text describes how an unnamed farmer laughs with the farmer's wife Mieke about the tax collector's machinations while praising the economy of Dieskau's wife, ending by especially cheering on Dieskau.
In places it uses the dialect of Upper Saxon German ("Guschel" for mouth, "Dahlen" for love-games, "Ranzen" for belly and "Neu-Schock" for a 60 Groschen piece).
He repeatedly drew on popular dance forms, folk and popular melodies (such as La Folia); for the duet recitative "Nu, Mieke, gib dein Guschel immer her" (Saxon dialect for "Now, Mary, give me your mouth"), he quoted the fast part of the tune of "Großvatertanz" for the orchestra following the girl's words, "If it were only that!