Piano Concertos K. 107 (Mozart) that publication). Therefore, when these works are enumerated with the rest, it can be seen that Mozart composed 30 keyboard concerti. These three works, however, and the concerti numbered as Piano Concertos 1 through 4 are actually not original compositions, but arrangements of works by other composers. Piano Concertos K. 107 (Mozart) The Piano Concertos, K. 107 are three keyboard concertos by Wolfgang Amadeus Mozart, based on sonatas by Johann Christian Bach. These sonatas are from J.C. Bach's Op. 5; Mozart turned Sonata No. 2 in D, Sonata No. 3 in G, and Sonata No. 4 in E from this
Wolfgang Amadeus Mozart visit was successful, though the Munich journey resulted in a popular success with the premiere of Mozart's opera "La finta giardiniera". In August 1777, Mozart resigned his position at Salzburg and on 23 September ventured out once more in search of employment, with visits to Augsburg, Mannheim, Paris, and Munich. Mozart became acquainted with members of the famous orchestra in Mannheim, the best in Europe at the time. He also fell in love with Aloysia Weber, one of four daughters of a musical family. There were prospects of employment in Mannheim, but they came to nothing, and Mozart left for