An invention in this context is actually a short two-part piece of music, usually instrumental, which showcases the composer's inventiveness in the playing of polyphonic music (more independent voices). Bach's inventions are by far the most played pieces of this genre. His two-part inventions were composed in Cothen around 1720. They were certainly not only intended as uplifting pieces for the "immaculate" performance of two (or three) part polyphony, but also as types of composition. Bach generated a total of 15 inventions in 2 parts. Of these 15, I would have the ability to carefully perceive the number 6 in E major. The musical composition is played which I assume is the harpsichord or even a guitar. At first the musical composition seems to simply increase and decrease the scales. Starting slowly and finally speeding up and finally visiting a sharp braking similar to the lifespan of an elevator. I came across that the melody could be divided into 3 sections: measures 1-20, 21-42 and 43-62. I verbalize this because each section seems to have its own story to tell. Measures 1-20 and 43-62 seem to act as an introduction and conclusion, with 21-42 playing the human body of the musical composition and possessing the ability to be broken down further. Measurements 9 through 13 of the initial section are intriguing to examine optically due to the fascinating pattern. By optically analyzing measures 9, 11 and 13 you are able to visually perceive a consecutive drop in the chord progression. Simply put, the chord in 9 is equivalent to 11, but 1 degree lower. The exact same rule covers 11 to 13 and the exact same relationship is available between bars 10 and 12. The cessation of the initial the m...... middle of the card ......d malapropos manner. The first and third sections resemble each other very well, but in the next the main piece works to marginally mend the initial and final components together without making the complete composition entirely boring with worn-out, udder repetition. I think it's interesting to note that the next major chunk is basically just like an astronomically more immense version of verses 9-12 and 51-54. This will determine for your musical composition what these quantifications did to its respective components. Works Cited BACH Mass in B Minor BWV 232". www.baroquemusic.org.Russell H. Miles, Johann Sebastian Bach: An Introduction to His Life and WorksBlanning, TCWThe Triumph of Music: The Rise of Composers, Musicians and Their art, 272: "And of course the greatest master of harmony and counterpoint of all time was Johann Sebastian Bach, 'the Homer of music''