And I'm considering these:
The idea of four hands organ arrangements of movements from the cantatas, performed on Dutch historical organs, seems pretty irresistible to me!
And it sounds good...
AUDIA SAMPLES (links open Windows Media Player):
Concerto super: Was mein Gott will,das g’scheh allzeit (BWV 111/1)
canto fermo in soprano > audiofragment
Adagio assai BWV 12/1 > audiofragment
And more information on the site of the performers, two brothers, HERE
And the link for Harry HERE
Part I - the organ in the Martinikerk
in Bolsward: Part II - the organ in the Grote of Jacobijnekerk
Part III - the Hinsz-organ
in the Bovenkerk