Piano concertos by Wolfgang Amadeus Mozart it was probably J.C. Bach, whom Mozart admired, who introduced the structural innovation of allowing the keyboard to introduce new thematic material in its first entry. Concertos Nos 1–4 (K. 37, 39, 40 and 41) are orchestral and keyboard arrangements of sonata movements by other composers. The next three concertos (K. 107/1, 2 and 3), which are not numbered, are arrangements of piano sonatas by J.C. Bach (Op 5. Nos. 2, 3, and 4, all composed by 1766). Based on handwriting analysis of the autographs they are believed to date from 1771–72. Concerto No. 5, K. 175 from 1773 was
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