![](https://www.bachipedia.org/wp-content/uploads/2021/05/20210504_Bild-Bach-Factory.jpg)
BACH FACTORY on BWV 3 “Ach Gott, wie manches Herzeleid”
BACH FACTORY on BWV 3 "Ach Gott, wie manches Herzeleid"
![](https://www.bachipedia.org/wp-content/uploads/2021/08/Cantus-firmus.jpg)
Cantus firmus
In this video, Ruedi explains why the cantus firmus long functioned as a "religious mother-tongue".
![](https://www.bachipedia.org/wp-content/uploads/2021/05/20210504_Bild-Bach-Factory.jpg)
BACH FACTORY on BWV 65 “Sie werden aus Saba alle kommen”
BACH FACTORY on BWV 65 "Sie werden aus Saba alle kommen"