The Flute Concerto in G minor QV 5:206 is also identified with the abbreviation GroF 1250, which refers to Ingo Gronefeld's catalogue in his four-volume catalog Die Flötenkonzerte bis 1850. Ein thematisches Verzeichnis (Tutzing, 1992-1996, 4 volumes). It is obviously one of those written for Frederick the Great and is found in the sovereign's two catalogues under number 97. Based on what was previously mentioned, it is a piece written while Quantz was still based in Dresden, presumably around 17...