Flute Sonata in A major, BWV 1032

The Sonata in A major for transverse flute and harpsichord by Johann Sebastian Bach (BWV 1032) is a sonata in 3 movements:
Unusually, the second movement is written in the parallel minor (A minor), rather than the relative minor (F-sharp minor) or another closely related key. 
The autograph is incomplete, and there are 46 bars missing. There exist reconstructions by various authors.