Wolfgang Amadeus Mozart rapidly maturing composer. Wolfgang met Josef Mysliveček and Giovanni Battista Martini in Bologna, and was accepted as a member of the famous Accademia Filarmonica. In Rome, he heard Gregorio Allegri's "Miserere" twice in performance, in the Sistine Chapel, and wrote it out from memory, thus producing the first unauthorized copy of this closely guarded property of the Vatican. In Milan, Mozart wrote the opera "Mitridate, re di Ponto" (1770), which was performed with success. This led to further opera commissions. He returned with his father twice to Milan (August–December 1771; October 1772 – March 1773) for the composition and premieres
Wolfgang Amadeus Mozart to the exclusion of other harmonies; symmetrical phrases; and clearly articulated partitions in the overall form of movements. Some of Mozart's early symphonies are Italian overtures, with three movements running into each other; many are homotonal (all three movements having the same key signature, with the slow middle movement being in the relative minor). Others mimic the works of J. C. Bach, and others show the simple rounded binary forms turned out by Viennese composers. As Mozart matured, he progressively incorporated more features adapted from the Baroque. For example, the Symphony No. 29 in A major K. 201 has a