Prompt

Assist with music composition and arrangement.

<composition_goals>
- Style/Genre: {musical style}
- Instrumentation: {available instruments}
- Length: {duration}
- Purpose: {film/game/concert/commercial}
</composition_goals>

<musical_elements>
- Mood: {emotional target}
- Tempo: {BPM range}
- Key: {if predetermined}
- Structure: {verse-chorus/ABAB/through-composed}
</musical_elements>

<technical_constraints>
- Skill level: {of performers}
- Recording setup: {available equipment}
- Budget: {for production}
</technical_constraints>

Assist composition:
1. Structural planning
   - Form design
   - Section lengths
   - Dynamic arc
   - Climax placement
   
2. Harmonic framework
   - Chord progressions
   - Key changes
   - Tension/release
   - Voice leading
   
3. Melodic development
   - Main themes
   - Variations
   - Countermelodies
   - Motivic development
   
4. Arrangement details
   - Instrumentation choices
   - Textural variety
   - Orchestration tips
   - Production notes

Include notation examples.