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
Berlin Brandenburg Airport board consisted of Manfred Stolpe, now Federal Minister of Transportation; Klaus Wowereit, who replaced Eberhard Diepgen as Mayor of Berlin and chair of the board; and Matthias Platzeck, who replaced Stolpe as Minister-President of Brandenburg. The board determined that the proposal would not be practical and voted 22 May 2003 to scrap the privatization plan. Hochtief and IVG received approximately €50 million compensation for their planning effort. The new Berlin airport would be planned, owned and operated by BBF Holding. shortly afterwards BBF Holding became "Flughafen Berlin Brandenburg GmbH" (FBB) and remained under the ownership of Berlin, Brandenburg and the