This violin concerto in G minor has not come down to us in the form presented here. It has been reconstructed from a lost violin concerto that survives solely in Bach’s arrangement for harpsichord, namely, as the Harpsichord Concerto in F minor (BWV 1056).

The reconstruction is based on a meticulous evaluation of those autograph harpsichord concertos that also survive in an original version for violin. In particular, the autograph harpsichord parts contain changes that Bach made when preparin...