Bach, J.S. (1685-1750) Brandenburgische Konzerte. Faksimile des Autographen. Faksimileausgabe nach dem Autograph Staatsbibliothek zu Berlin – Preußische Kulturbesitz, Musikabteilung, Am.B.78 [Brandenburg Concerti, BWV 1046-1051]Oblong, 33 x 26 cm, 170 pp. Halftone monochrome facsimile of the dedication autograph scoredated 24 March 1721for Christian Ludwig, Margrave of Brandenburg. Bach's elegantly penned title "Concerts avec plusieurs instruments" (concertos with several instruments) is a somewhat modest description of the concertos to follow, in that many different combinations of instruments and sonorities are exploited, perhaps deliberatly to get the Margrave's attention