Brandenburg Concerto No. 5 on the autographs in the Berlin State Library, was published by C. F. Peters in 1852. The next year the concerto was performed in the Gewandhaus in Leipzig. The Bach Gesellschaft (BG) published the "Brandenburg Concertos" in 1871, edited by Wilhelm Rust. Max Reger's orchestral arrangement of the concerto was published by Breitkopf & Härtel in 1915. Reger also arranged the concerto for piano duet. Arnold Schering's score edition of the concerto was based on the BG version and was published by Eulenburg in the late 1920s. Around 1925 Eusebius Mandyczewski provided a continuo realisation for the concerto, which was
Keyboard concertos by Johann Sebastian Bach timing matched the publication of the first ever collection of keyboard concertos, the widely acclaimed and well-selling Organ concertos, Op.4 of George Frederic Handel published in London and Paris in 1738. The harpsichord concertos were composed in a manner completely idiomatic to the keyboard (this was equally true for those written for two or more harpsichords). They were almost certainly originally conceived for a small chamber group, with one instrument per desk, even if performed on one of the newly developed fortepianos, which only gradually acquired the potential for producing a louder dynamic. The keyboard writing also conforms to a