Symphony, K. 45a (Mozart) implies that K. 45a was composed by Wolfgang during their stay in The Hague, possibly for the inauguration of William V, Prince of Orange on 11 March 1766. The Mozarts then took the symphony along with them on their journeys; Wolfgang revised the symphony along the way by making a few changes, especially in the inner voices. Symphony, K. 45a (Mozart) The Symphony in G major "Old Lambach", K. Anh. 221/45a, was probably written by Wolfgang Amadeus Mozart during 1766 in The Hague and revised in 1767. Both versions – the original and the revision – have survived. The symphony
Wolfgang Amadeus Mozart these artistic successes, Mozart grew increasingly discontented with Salzburg and redoubled his efforts to find a position elsewhere. One reason was his low salary, 150 florins a year; Mozart longed to compose operas, and Salzburg provided only rare occasions for these. The situation worsened in 1775 when the court theater was closed, especially since the other theater in Salzburg was largely reserved for visiting troupes. Two long expeditions in search of work interrupted this long Salzburg stay. Mozart and his father visited Vienna from 14 July to 26 September 1773, and Munich from 6 December 1774 to March 1775. Neither