Bach cantata cantatas are assumed to date from this period: Bach worked in Weimar from 1708. He composed a secular cantata Was mir behagt, ist nur die muntre Jagd, BWV 208 in 1713. The composition of cantatas for the (court chapel) on a regular monthly basis started with his promotion to in March 1714. His goal was to compose a complete set of cantatas for the liturgical year within four years. Cantatas 54 and 199 were performed within the cycle but possibly composed earlier. Bach worked in Köthen from 1717 to 1723, where he composed for example the "Brandenburg concertos". He had
Organ concertos, Op. 4 (Handel) however, has favoured the original intimate scoring for chamber organ and small baroque orchestra. In the 1940s the blind organist Helmut Walcha prepared a version for organ and second keyboard giving one possible ornamentation and extemporisitation of the organ part in the slow movements. Modern performing editions of Walsh's 1738 solo keyboard version and the original scoring for organ and orchestra have been prepared by the musicologists William Gudger and Terence Best. 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