The Slow Introduction Alternating Between Long And Short Notes Followed By A Fast Section. The section within a sonata - form movement that thematically and harmonically manipulates develops the movements themes most intensely. Homophonic and reinforcing the key of C major.
Ending is C Major also gives a bright quality to the sound. Its artless four-bar theme using only the notes B flat F and C is based on a Korean folksong. Followed by a fast section employing imitation Ground bass.
B being the scalic quaver rise of a fifth.
It is also used in bar 80. This is used as a basis for most of the introduction sometimes reduced to five notes and sometimes with the second last note rising instead of falling. Although it is in A Major Gi-. Alternating between Transition passage material of grace notes followed by descending scale and the codetta theme.