Wachet auf, ruft uns tie Stimme, BWV 645 (Johann Sebastian Bach)

Recently after I played this piece at the Communion in my church, a former music theory student wrote to me asking what it was. We got into a long discussion and I encouraged her to start a YouTube channel and upload her own music (she is a pianist). I hope she will take the plunge.

Score with fingering and pedaling:
https://secrets-of-organ-playing.mysh...