Johann Sebastian Bach's Harpsichord (keyboard) concerto in d major. The surviving violin concerto in E major, BWV 1042, was the model for this work, which was transposed down a tone to allow the top note e''' to be reached as d''', the common top limit on harpsichords of the time. The transcription process was based on the same principles as BWV 1053.
The harpsichord concertos, BWV 1052-1065, are concertos for harpsichord, strings and continuo by Johann Sebastian Bach. There are seven complete concertos for a single harpsichord, (BWV 1052-1058), three concertos for 2 harpsichords (BWV 1060-1062), two concertos for 3 harpsichords (BWV 1063-1064), and one concerto for 4 harpsichords, (BWV 1065). Two other concertos include solo harpsichord parts: the concerto BWV 1044, which has solo parts for harpsichord, violin and flute, and Brandenburg concerto no.5, BWV 1050, with the same scoring. In addition there is a single 9 bar concerto fragment for a single harpsichord (BWV 1059) which adds an oboe to the strings and continuo.
All of Bach's harpsichord concertos (with the exception of the Brandenburg concerto) are thought to be arrangements made from earlier concertos for melodic instruments probably written in Köthen. In many cases, only the harpsichord version has survived.
The score for this piece may be found here:
http://imslp.org/wiki/Harpsichord_Concerto_No.3,_BWV_1054_(Bach,_Johann_Sebastian)