Brandenburg Concerto No. 5 on the autographs in the Berlin State Library, was published by C. F. Peters in 1852. The next year the concerto was performed in the Gewandhaus in Leipzig. The Bach Gesellschaft (BG) published the "Brandenburg Concertos" in 1871, edited by Wilhelm Rust. Max Reger's orchestral arrangement of the concerto was published by Breitkopf & Härtel in 1915. Reger also arranged the concerto for piano duet. Arnold Schering's score edition of the concerto was based on the BG version and was published by Eulenburg in the late 1920s. Around 1925 Eusebius Mandyczewski provided a continuo realisation for the concerto, which was
Brandenburg the Province of Brandenburg, again subdivided into the government regions of Frankfurt and Potsdam. In 1881, the City of Berlin was separated from the Province of Brandenburg. However, industrial towns ringing Berlin lay within Brandenburg, and the growth of the region's industrial economy brought an increase in the population of the province. The Province of Brandenburg had an area of and a population of 2.6 million (1925). After World War II, the Neumark, the part of Brandenburg east of the Oder–Neisse line, was transferred to Poland; and its native German population expelled. The remainder of the province became a state