According to Mozart’s own catalogue, K. 491 was completed on 24 March 1786 – it was Mozart’s only piano concerto aside from K. 466 that was in a minor key. It was probably first performed two weeks later as part of an “academy” at the Burgtheater in Vienna. Mozart was extremely pressed for time while composing this work, a fact that is shown both by the cursory way in which the autograph was written and by the repeated corrections. Unlike earlier publications, our edition contains the definitive...