Brandenburg Concerto No. 5 Another coincidence is that the concerto's middle movement is built on a theme composed by Marchand, as if Bach wanted to show off to his prospective competitor how he could elaborate that theme quite differently from its composer's original treatment. The possibility of a performance of the early version of the fifth "Brandenburg Concerto" in Dresden in 1717 was first tentatively proposed by harpsichordist and musicologist in the early 1990s. Although the hypothesis rests on a complex of circumstantial indications without direct evidence, it has been picked up by Bach scholars. Formally the fifth "Brandenburg Concerto" is a concerto grosso,
Brandenburg Navy Brandenburg Navy had almost thirty active warships. These ships were used primarily to secure control over hostile trade routes and maritime trading, as blockades and to provide naval defence, and to also provide reinforcement on various military operations, which would frequently involve engagements with unfriendly warships. In 1682, Frederick William, the prince-elector of Brandenburg, who was intensely involved in the navy's affairs, secured the navy a base at Greetsiel, but they shifted to Emden a year later. Frederick William died in 1688, and his descendants took no interest in the Brandenburg Navy. Frederick III and his grandson Frederick the Great