Keyboard concertos by Johann Sebastian Bach left Weimar in 1717. Many of Bach's orchestral harpsichord concertos are adapted from a model with one or more violin solo parts. Several of these earlier models are extant. The oldest of these is Vivaldi's concerto for four violins, RV 580, published in 1711, model for Bach's concerto for four harpsichords, BWV 1065. Bach replaced the part of his fourth "Brandenburg Concerto", BWV 1049, composed in 1721 or earlier, by a harpsichord part when he reworked it to the harpsichord concerto BWV 1057. Bach's extant violin concertos BWV 1041–1043, two for a single violin soloist and one for two violin
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