Wolfgang Amadeus Mozart at the Imperial Courts in Vienna and Prague. A long concert tour followed, spanning three and a half years, taking the family to the courts of Munich, Mannheim, Paris, London, The Hague, again to Paris, and back home via Zurich, Donaueschingen, and Munich. During this trip, Wolfgang met a number of musicians and acquainted himself with the works of other composers. A particularly important influence was Johann Christian Bach, whom he visited in London in 1764 and 1765. When he was eight years old, Mozart wrote his first symphony, most of which was probably transcribed by his father. The family
Wolfgang Amadeus Mozart performed Mozart's operas while playing in the court orchestra at Bonn, and traveled to Vienna in 1787 hoping to study with the older composer. Some of have direct models in comparable works by Mozart, and he wrote cadenzas (WoO 58) to Mozart's D minor piano concerto K. 466. For further details see Mozart and Beethoven. Composers have paid homage to Mozart by writing sets of variations on his themes. Beethoven wrote four such sets (Op. 66, WoO 28, WoO 40, WoO 46). Others include Fernando Sor's Introduction and Variations on a Theme by Mozart (1821), Mikhail Glinka's Variations on a