# Audio creator brief 19

Create a customer case study package using only the local fixtures in workflow `p8-audio-kit-19`.

## Constraints
- Preserve source timing.
- Make every transformation reversible.
- Compare the rendered result with the expected-output artifact.

## Deliverables
1. Inspect the input.
2. Produce the requested edit.
3. Run the evaluation contract.
4. Explain handling of the controlled edge case.