The Young Persons Guide to the Orchestra , Op. Subsequently, various instrumental groups present the same theme 13 times, each of which is varied is some particular way, e.g., rhythm, tempo, instrumentation, etc. The full orchestra. The main melody begins to repeat but suddenly drops in volume, leading to a brief transition to the next section.
Low brasses begin, followed by trumpet.
Note the rhythm is slightly altered. Percussion section begins with timpani playing first three notes of melody. Full orchestra repeats the opening of the main melody. Flutes and piccolo accompanied by the harp. Oboes accompanied by strings.