J.S. Bach - Concerto I for Three Harpsichords, BWV 1063 (c. 1740)

Johann Sebastian Bach (31 March [O.S. 21 March] 1685 – 28 July 1750) was a German composer and musician of the Baroque period. He is known for instrumental compositions such as the Brandenburg Concertos and the Goldberg Variations as well as for vocal music such as the St Matthew Passion and the Mass in B minor. Since the 19th-century Bach Revival he has been generally regarded as one of the greatest composers of all time.
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Concerto I for 3 Harpsichords in D minor, BWV 1063 (1735-45?)
Copyist: Johann Friedrich Agricola (1720–1774)
Manuscript, n.d. (ca.1750).
I. [no tempo indication] (0:00)
II. Alla Sicilliana (5:04)
III. Allegro (8:57)
Gustav Leonhardt, Alan Curtis & Anneke Uittenbosch, harpsichord
Leonhardt Consort
Scholars have yet to settle on the probable scoring and tonality of the concerto on which this was based, though they do think it is, like the others, a transcription.
Bach's sons may have been involved in the composition of this work. They may have also been involved in the performances of this particular concerto, as Friedrich Konrad Griepenkerl wrote in the foreword to the first edition that was published in 1845 that the work owed its existence "presumably to the fact that the father wanted to give his two eldest sons, W. Friedemann and C.Ph. Emanuel Bach, an opportunity to exercise themselves in all kinds of playing." It is believed to have been composed by 1733 at the latest.
In the mid-nineteenth century the concerto, advertised as Bach's "triple concerto", became part of the concert repertoire of Felix Mendelssohn and his circle. In May 1837, Ignaz Moscheles performed it for the first time in the UK, with Sigismond Thalberg and Julius Benedict in his own concert at the King's Theatre. Instead of performing the triple concerto on harpsichords, the performed it instead on three Erard grand pianofortes. In 1840, Mendelssohn performed it with Franz Liszt and Ferdinand Hiller at the Gewandhaus in Leipzig, where he was director. The programme also included Schubert's "Great" C Major Symphony and some of his own orchestral and choral compositions; Robert Schumann described the concert as "three joyous hours of music such as one does not experience otherwise for years at a time." The concerto was repeated later in the season with Clara Schumann and Moscheles as the other soloists. Mendelssohn also played the concerto in 1844 in the Hanover Square Rooms in London with Moscheles and Thalberg. Charles Edward Horsley recalled Mendelssohn's "electrical" cadenza in a memoire of 1872 as "the most perfect inspiration, which neither before nor since that memorable Thursday afternoon has ever been approached." Moscheles had previously performed the concerto in 1842 at Gresham College in the East End of London with different soloists. After a performance in Dresden in 1845 with Clara Schumann and Hiller, Moscheles recorded in his diary, "My concert today was beyond all measure brilliant ... Bach's Triple Concerto made a great sensation; Madame Schumann played a Cadenza composed by me, Hiller and I extemporized ours.
