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
Horn Concertos (Mozart) Horn Concertos (Mozart) The Horn Concertos by Wolfgang Amadeus Mozart were written for his friend Joseph Leutgeb whom he had known since childhood. Leutgeb was a skilled player, as the works are very difficult to perform on the natural horn of the period, requiring lip trills, much hand-stopping, and rapid tonguing. In addition to the four works listed above, there are two incomplete concerto movements, K. 370b and the Concert Rondo, K. 371, both from 1781 and both in E-flat major, and a 91-bar fragment of the first movement for a concerto in E major (K. 494a), written in 1785