Mozart, like Haydn, composed all musical genres and a large number of works in the classical period. His creations also reflect the stylistic characteristics of classical music. For example, his calmness, elegance, and nature, as well as the balance, restraint, and perfect proportion of the musical structure, the simplicity of the form, the clarity of the texture, etc., are all typical, and most of Mozart's melodies are beautiful and cantabile. Characteristics, even instrumental music is no exception, they seem to come from the human voice.