Mozart composed the Symphony in C major K.425, known as the “Linz Symphony”, within a few days in October/early November 1783 in the palace of Count Johann Joseph Anton von Thun-Hohenstein (1711–1798) in Linz where, together with Constanze, he stayed for three weeks on the way back from a trip to Salzburg.

“On Tuesday, the fourth of November”, wrote Mozart to his father on 31 October (the day after his arrival in Linz), “I will be giving a concert in the theatre – and since I have no symphony...