The central work in this concert is Mozart's magnificent Piano Quartet in G minor K. 478, originally published as Quartet for Harpsichord or Forte Piano, Violin, Tallie [sic] and Bass. Its darkly atmospheric first movement begins with a concise six-note theme that recurs again and again, and the two that follow flow into a beautiful light. Its keyboard part suggests that Mozart probably intended it for the Viennese fortepiano of the time. The superb Graf pianoforte in Bourgie Hall will be used for this concert.