Keyboard concertos by Johann Sebastian Bach soloists, were all adapted into harpsichord concertos by the composer, BWV 1058, 1054 and 1062 respectively. It is often assumed that Bach's extant violin concertos were written in his Köthen period (1717–1723): it can however not be proven from documentary evidence that any of them existed prior to around 1730. In September 1725 Bach performed organ music, accompanied by other instruments, in Dresden. The works he performed there have not been identified. More than a year later he composed several cantatas with an organ obligato part. Several movements of such cantatas were derived from earlier lost concertos, and resurfaced in
Brandenburg Hauptbahnhof Railway from Treuenbrietzen via Brandenburg to Neustadt (Dosse) went into operation in 1904. Today, only the section between Brandenburg and Rathenow is still in use. The Brandenburg Towns Railway had its own station called Brandenburg Neustadt (Brandenburg new town) next to the main station and it later became part of the main station. The West Havelland District Railway ("Westhavelländische Kreisbahnen") line (opened in 1901 and closed in the 1960s) did not reach the main station. The terminus of the route in the city of Brandenburg was at the Krakauer Tor (Cracow Gate) station in the north-east of the town, a