This is the vivid final movement in G major, 2/4 time, characterized by a toccata-like virtuosic piano part and improvisatory wind passages. The movement is articulated by a phrase of sharp chords and rests, which also serves as its opening, possessing a sound reminiscent of a distorted major cadence. Initially, the piano part accompanies the improvisatory passages appearing in the orchestral part with intense arpeggios in perfect fifths. However, upon the second appearance of this "distorted cadence," the piano for the first time plays a melody of parallel triads, seemingly the first theme. As this theme propagates to the orchestra, the piano ascends to the high register and again plays the "distorted cadence," announcing the arrival of the next theme. The second theme is a fanfare-like melody accompanied by triplets, primarily sounded by the brass instruments. The piano also follows this second theme, but upon another sounding of the "distorted cadence," it enters a separate virtuosic and polytonal solo, distinct from the orchestra. When the piano briefly ceases playing, the orchestra begins to play fast, continuous figures from the low register, over which the first and second themes emerge in various instruments. Eventually, both the piano part and the orchestra take up the thematic melodies, leading to a temporary climax. To prepare for an even more brilliant conclusion, the piano part re-enters a polytonal solo, finally involving the orchestra and grandly sounding the "distorted cadence" to conclude the work.