The Café Zimmermann, or Zimmermannsches Kaffeehaus, was the coffeehouse of Gottfried Zimmermann in Leipzig which formed the backdrop to the first performances of many of Bach's secular cantatas, e.g.

The sonatas for viola da gamba and harpsichord, BWV 1027–1029, are three sonatas composed by Johann Sebastian Bach for viola da gamba and harpsichord. They probably date from the late 1730s and early