Brandenburg Concerto No. 5 the concerto to the set of "Brandenburg Concertos" in 1721 he had reworked it for a two-manual harpsichord, expanding the accompaniment with an additional cello part. Because of the limited input of the violin and flute solo parts, as compared to that of the harpsichord, the concerto can be seen as a harpsichord concerto, moreover, the first harpsichord concerto ever written. Nonetheless, the structure of the concerto and the soloist material of the harpsichordist are greatly indebted to violin concertos such as Vivaldi's "Grosso mogul" (which Bach had transcribed for organ, BWV 594) and Johann Ernst of Saxe-Weimar's G major
Oberliga Berlin-Brandenburg each who would determine their champions in a home-and-away format. The two divisional champions would then play for the Brandenburg championship in a two-game series. Should each team win one game, a third game was held as a decider. The Brandenburg champion would then continue on to play in the German football championship. From 1925 onwards, the runners-up of Brandenburg was also qualified for an enlarged national championship. Below the league, as the second division in Brandenburg, four "Kreisligas" were set, those being: From 1925 onwards, until 1931, the league was dominated by Hertha BSC Berlin, who won it every