Sorry, in the summer of 2018 it is still a construction zone. Just a suggestion: Hop to the German counterpart and explore the coming content with a translation software.
For me, it is the Bach book among the Bach books. And I made an acquaintance to the author - almost. We had an appointment. But his wife asked me to push the meeting, as Kurt Hermann Frickel became ill. Frickel was the person, I assumed he is "somewhere out there": somebody, who was very much interested in what I became interested shortly before. And we found him!
99 Music Calendars, Composers Calendars and Bach Calendars
Bach calendars. 3 sizes. 2019 + 2020. To the shop.
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