BWV 805

All of Bach: a project by the Netherlands Bach Society

Duet no. 4 in A minor

BWV 805 performed by Leo van Doeselaar
Walloon Church, Amsterdam

Leo van Doeselaar explains why he chose a registration that imitates a rendering by a violin and a cello.

A duet with hidden charms

Bach creates a whole new taste sensation

Bach’s four duets are the odd men out in his collection of chorale preludes in Clavier-Übung III. Musicologists cannot agree on whether we should ascribe a religious significance to them or whether their presence in the collection indicates that the preludes, too, had already been taken out of their liturgical context. But the fact remains that these four two-part fugues do not have a pedal part, so are not restricted to a church organ.

Like the other three, the last duet of the group, BWV 805, is most reminiscent of the two-part pieces Bach composed for his eldest son. There is one important distinction, however. In the inventions for Wilhelm Friedemann, the apparently simple material is written in manageable chunks, whereby the in-between points are usually reached through series of motifs played a tone higher or lower; the so-called sequences. Compared to this, discovering the connections in the duets is a true exercise in listening. A succession of exciting twists and turns means that you have to go all out to keep track of these two parts, which seem simple enough in themselves. In this sense, the duets are a good match for the rest of Clavier-Übung III: simple ingredients are given an amazing new taste sensation by the master chef.

Clavier-Übung
In Leipzig, between 1731 and 1741, Bach published four parts of Clavier-Übung, a title used previously by Johann Kuhnau, his predecessor as cantor at the Thomasschule, for similar collections of works for organ and harpsichord. The compositions are very varied in nature and, although the title suggests otherwise, were difficult to play. Bach addresses all the styles, genres and techniques for harpsichord and organ that were prevalent at the time, but then in the superior form to which only he had the patent. Clavier-Übung I (1731) contains the six partitas, BWV 825-830; Clavier-Übung II (1735) the Concerto nach italienischen Gusto, BWV 971 and the Ouverture nach französischer Art, BWV 831; and Clavier-Übung IV (1741) the Goldberg Variations, BWV 988. The largest part, Clavier-Übung III (1739), is the only one devoted to organ, containing mostly chorale arrangements, or organ preludes based on Lutheran hymns. Bach made two versions of each chorale: one for great organ and one for a smaller type of organ.


BWV
805

Title
Duet no. 4 in A minor

genre
organ work

series
Clavier-Übung III

Year
1739

City
Leipzig

Cast & Crew

release date 29 May 2015
recording date 23 June 2014
LOCATION Walloon Church, Amsterdam
Organ Christian Müller, 1734
ORGANIST Leo van Doeselaar
PRODUCER Frank van der Weij
FILM DIRECTOR Jan Van den Bossche
DIRECTORS OF PHOTOGRAPHY Sal Kroonenberg, Ruben van den Broeke
Grip Antoine Petiet
MUSIC PRODUCTION, EDITING AND MIX Holger Schlegel
FILM EDITOR Dylan Glyn Jones
COLORIST Jef Grosfeld
PRODUCTION ASSISTANTS Marco Meijdam, Zoë de Wilde

Vocal Texts

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