Keyboard concertos by Johann Sebastian Bach that Bach composed the original in Weimar or Cöthen.) Both relate the work to performances by Bach of concerted movements for organ and orchestra in Dresden and Leipzig. Wolff also details why the violinistic figuration in the harpsichord part does not demonstrate that it is a transcription from a previous violin part; for one thing, the "extended and extreme passagework" in the solo part "cannot be found in any of Bach's violin concertos"; for another, he points to other relevant Bach keyboard works that "display direct translations of characteristic violin figuration into idiomatic passagework for the keyboard." Also did not
Organ concertos, Op. 4 (Handel) Organ concertos, Op. 4 (Handel) The Handel organ concertos Op 4, HWV 289–294, are six organ concertos for chamber organ and orchestra composed by George Frideric Handel in London between 1735 and 1736 and published in 1738 by the printing company of John Walsh. Written as interludes in performances of oratorios in Covent Garden, they were the first works of their kind for this combination of instruments and served as a model for later composers. Handel's six organ concertos were published in 1738 by John Walsh as the composer's Opus 4. The four concertos HWV 290-293 had been written to