ok, so I accidentely got the orchestral version of this piece, and there were too many people using Naxos...but I think it will work anyway. There are a lot of dynamic changes throughout the piece, as well as changes in register.
The phrasing was kind of confusing at first, but I felt like this section was made up of phrase groups (2 of the major phrases ended on Half cadences in the key of G)... The A section is in simple binary form (the two parts to this section are separated by a double bar), and it's closed. It starts a development section (it also felt transitory) right after the first bar line, and the last chord ends on the tonic chord.
The B section starts out in measure 24, and the mood changes to more of a smooth, flowing feel because the right hand has all of these stacked chords while the left hand does very minimal work. The left hand also changes clefs constantly, which adds to the flowy feeling of this section. Those first 2 eight measure phrases end on an IAC (in d minor). The climax of this piece is at meausure 57, where it's finally blossomed into this tremendous Db major chord (7 notes in the right hand!). This section is in rounded binary form, ending on a pac in d minor.
Right after the b section, we move on to this transitional section, which is made up of restatements from both the a and the b sections. They're played at the same time, which sounds very cool. These restatements are pretty much the same as there positions before, except that the A restatement is mostly played up an octave.
The last section of this piece has really nothing to do with either of the sections-but the ending was just gorgeous (I really loved the orchestral version, but I'm sure the piano sounds just as good.