Wolfgang Amadeus Mozart and the Catholic Church be my duty to convince the world of this miracle, it is so now, when people are ridiculing whatever is called a miracle and denying all miracles ... But because this miracle is too evident and consequently not to be denied, they want to suppress it. They refuse to let God have the honor. As a teenager, Mozart went on tours of Italy, accompanied by his father. During the first of these, Leopold and Wolfgang visited Rome (1770), where Wolfgang was awarded the Order of the Golden Spur, a form of honorary knighthood, by Pope Clement XIV. The papal patent
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