the A on the G string, suggesting that C major was the original key and D major was a transposition. No autograph score has survived. The only known autograph fragment consists of nine measures discovered in 1971, partly duplicating the Oboe Concerto in C major and partly proceeding with previously unknown material. See also The first movement of Mozart's unfinished Oboe Concerto in F major, K. 293 (1778) has been completed by the Mozart scholar and pianist Robert D. Levin, and by the musicologist William Drabkin in 2015. References External links Performance of Flute Concerto by the Gardner Chamber Orchestra with soloist Paula Robison from the Isabella Stewart Gardner Museum (MP3) Concertos by Wolfgang Amadeus Mozart Mozart Compositions in C major 1777 compositions