Brandenburg Concerto No. 5 first movement is expanded from 18 to 65 bars. Also, where the earlier version is written for a harpsichord with a four-octave keyboard, the harpsichord part of the final version extends beyond these four octaves. In the "Brandenburg Five" version of the concerto Bach reworked and expanded an additional cello part from the violone part of the earlier version, and the violone, now playing in 16-foot pitch, gets a full-fledged ripieno part. However, taking account of doubled ripieno and continuo material, the concerto is still basically a concerto in six parts. All six of the "Brandenburg Concertos" are sometimes indicated
Piano concertos by Wolfgang Amadeus Mozart given by Cliff Eisen in 1997 is: Cadenzas to at least K. 466 and 467 also possibly existed. These cadenzas are part of the public domain and can be accessed here: http://imslp.org/wiki/36_Cadenzas,_K.624_%28Mozart,_Wolfgang_Amadeus%29 Piano concertos by Wolfgang Amadeus Mozart Wolfgang Amadeus Mozart wrote 23 original concertos for piano and orchestra. These works, many of which Mozart composed for himself to play in the Vienna concert series of 1784–86, held special importance for him. For a long time relatively neglected, they are recognised as among his greatest achievements. They were championed by Donald Francis Tovey in his "Essay on the Classical Concerto"