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 with Poland. Brandenburg originated in the Northern March in the 900s AD from areas conquered from the Wends, and later became the Margraviate of Brandenburg, a major principality of the Holy Roman Empire, with Albert the Bear as prince-elector. In the 17th century Brandenburg came under the rule of the House of Hohenzollern, the rulers of Prussia, who established Brandenburg-Prussia to become the core of the Kingdom of Prussia. Brandenburg became the Province of Brandenburg in 1815, a province within the kingdom and later within the Free State of Prussia. Brandenburg was established as a state in 1945 after World