Form analysis of Boccherini's "Minuet in A Major": The key of the beginning of this music fragment is A major, with a 4+4 square segment structure. The material of the two sections of the first sentence (1-4) is in a modular relationship, stopping on the main chord of A major.
The material of the second sentence (5-8) is the truncated development of the motive material. The tonal characteristics: from the 5th bar to the end of E major (the dominant key of A major), the cadence is :S-D7-T.
Extended information
The background of "Minuet in A major":
This piece of music was composed in March 1796 as "Six Piano Little Pieces" The second piece in the collection of minuets published under the title "Minuet". It is speculated that this collection of minuets was probably adapted from music originally written for orchestra in 1795. This song can be used as a dance accompaniment and is also highly enjoyable. Therefore, it has been popular for two hundred years and is a masterpiece among popular songs.
"Minuet" was originally a kind of folk dance music popular in rural France. Later, it gradually entered the court and became aristocratic dance music. Minuet mostly adopts 3/4 time, medium speed, steady rhythm, elegant, bright and light style. After the "Minuet" broke away from the relationship with court dance, it was often used in the third movement of sonatas and symphonies, becoming an independent work. It is generally written in three paragraphs.
Baidu Encyclopedia-Minuet in A major