1. Tonal Structure:
- Exposition: The exposition establishes the main themes in the home key (E major) and modulates to the dominant (B major).
- Recapitulation: The recapitulation returns to the home key (E major) but may have different harmonic progressions or alterations.
2. Thematic Presentation:
- Exposition: The exposition typically presents the themes in their basic form, establishing their character and contour.
- Recapitulation: In the recapitulation, the themes may be varied, ornamented, or developed further, adding depth and complexity.
3. Development:
- Exposition: The development section in the exposition is absent since this is the first appearance of the themes.
- Recapitulation: The recapitulation does not have a separate development section but might include elements of development within it.
4. Ornamentation and Counterpoint:
- Exposition: The themes in the exposition are usually presented in their basic form with minimal embellishments.
- Recapitulation: The recapitulation may feature more detailed ornamentation, counterpoint, and intricate passages.
5. Emotional Intensity:
- Exposition: The exposition sets the mood and introduces the primary musical ideas, often building anticipation.
- Recapitulation: The recapitulation aims to provide a sense of resolution and closure to the symphony movement.
6. Modulation:
- Exposition: The exposition establishes the home key and explores related tonal areas.
- Recapitulation: The recapitulation emphasizes the home key and may have less focus on modulations.
7. Orchestration:
- Exposition: The exposition may present the themes with varying levels of orchestration.
- Recapitulation: The recapitulation often features a more substantial and powerful orchestration to build intensity and create a climactic effect.
Overall, the recapitulation section in Symphony 104 functions as a restatement of the main themes, presenting them in a modified and more elaborate manner while adhering to the overall structure and key relationships established in the exposition.