Brandenburg Concerto No. 5 the concerto, with a preface by Besseler, in 1964. In 1975 Dürr's edition of the early version was appended to the NBA Series VII Vol. 2 publication of the "Brandenburg Concertos". The violone part for the third movement of the NBA edition of BWV 1050a was based on a spurious cello part for the BWV 1050 version of the concerto: Dirksen deemed the result of that combination unconvincing. Recordings of the fifth "Brandenburg Concerto" were released on 78 rpm discs: In 1973 Wendy Carlos included a Moog synthesizer performance of the fifth "Brandenburg Concerto" in her second "Switched-On Bach" album.
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