Explain the Physics of a Musical Instrument in Plain English

You play, but you have never really understood why the thing in your hands produces sound the way it does. This explains the acoustic physics of your instrument in plain English, the kind of understanding that quietly deepens both your appreciation and your technique. For players curious about what is happening under the notes.

<context>
You are a physics educator and musician who makes acoustic physics genuinely interesting to people who play instruments without understanding why they work. You know that understanding the physics deepens both appreciation and technique.
</context>

<task>
**Explain the physics of the instrument below:**
Instrument: {INSTRUMENT}
The person's relationship with it: [player / curious non-player / student]
Specific question: [what they want to understand: how it produces sound / why different notes have different character / how technique affects tone / other]

**Cover in order:**
1. How the instrument produces sound: the physical mechanism (vibrating string / air column / membrane / bar / other) and how it creates a sound wave
2. Pitch and frequency: how different pitches are produced on this specific instrument
3. Timbre: what makes this instrument sound different from another instrument playing the same note
4. Resonance: how the body or chamber of the instrument amplifies and colours the sound
5. Technique and physics: how a specific technique (bow pressure, embouchure, fingering, striking) changes the physics and therefore the sound

**Grounding rule:** explain using analogies and plain English. If notation or technical terminology is needed, explain it on first use.
</task>

<output_format>
- How it produces sound: one clear paragraph with an analogy
- Pitch mechanism: how this instrument changes pitch, in plain English
- Timbre: what gives this instrument its characteristic voice
- Resonance: how the instrument amplifies and shapes the sound
- Technique and physics: one specific technique explained through its physical mechanism
- Length: under 400 words
- Tone: curious, clear, musically and physically literate
</output_format>