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BWV 1062


The harpsichord concertos, BWV 1052–1065, are concertos for harpsichord, strings and continuo by Johann Sebastian Bach. There are seven complete concertos for a single harpsichord (BWV 1052–1058), three concertos for two harpsichords (BWV 1060–1062), two concertos for three harpsichords (BWV 1063 and 1064), and one concerto for four harpsichords (BWV 1065). Two other concertos include solo harpsichord parts: the concerto BWV 1044, which has solo parts for harpsichord, violin and flute, and Brandenburg Concerto No. 5 in D major, with the same scoring. In addition, there is a nine-bar concerto fragment for harpsichord (BWV 1059) which adds an oboe to the strings and continuo.

Most of Bach's harpsichord concertos (with the exception of the 5th Brandenburg Concerto) are thought to be arrangements made from earlier concertos for melodic instruments probably written in Köthen. In many cases, only the harpsichord version has survived. They are among the first concertos for keyboard instrument ever written.

The concertos for one harpsichord, BWV 1052–1059, survive in an autograph score, now held in the Berlin State Library. Based on the paper's watermarks and the handwriting, it has been attributed to 1738 or 1739. As Peter Williams records, these concertos are almost all considered to be arrangements by Bach of previously existing works. Establishing the history or purpose of any of the harpsichord concertos, however, is not a straightforward task. At present attempts to reconstruct the compositional history can only be at the level of plausible suggestions or conjectures, mainly because very little of Bach's instrumental music has survived and, even when it has, sources are patchy. In particular this makes it hard not only to determine the place, time and purpose of the original compositions but even to determine the original key and intended instrument.

The harpsichord part in the autograph manuscript is not a "fair copy" but a composing score with numerous corrections. The orchestral parts on the other hand were executed as a fair copy. Various possible explanations have been proposed as to why Bach assembled the collection of harpsichord concertos at this particular time. One centres on his role as director of the Collegium Musicum in Leipzig, a municipal musical society, which gave weekly concerts at the Café Zimmermann, drawing many performers from students at the university. Bach served as director from spring 1729 to summer 1737; and again from October 1739 until 1740 or 1741. John Butt suggests that the manuscript was prepared for performances on Bach's resumption as director in 1739, additional evidence coming from the fact that the manuscript subsequently remained in Leipzig. Peter Wollny, however, considers it unlikely that The Collegium Musicum would have required orchestral parts that were so neatly draughted; he considers it more plausible that the manuscript was prepared for a visit that Bach made to Dresden in 1738 when he would almost certainly have given private concerts in court (or to the nobility) and the ripieno parts would have been played by the resident orchestra. Peter Williams has also suggested that the collection would have been a useful addition to the repertoire of his two elder sons, Wilhelm Friedemann and Carl Philipp Emanuel, both employed as professional keyboard-players at the time of writing. Williams has also speculated that it might not be mere coincidence that the timing matched the publication of the first ever collection of keyboard concertos, the widely acclaimed and well-selling Organ concertos, Op.4 of George Frederic Handel published in London and Paris in 1738.


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