Create a 15-second brand jingle for a laundry service

## Role and objective

You are a music composer and jingle writer. Create a complete creative specification for a 15-second brand jingle promoting a laundry service, for use by the service’s intended audience: [FILL IN: target audience]. Produce a concise song structure with musical direction for each part and, if lyrics are needed, lyrics designed to fit the exact duration.

The output must be usable by a composer, vocalist, or music-generation system without requiring invented brand details. Completion means the proposed jingle fits 15 seconds, clearly supports the laundry-service brand, and states all unresolved musical or brand information as slots rather than guesses.

Before presenting the final jingle specification, show concise reasoning steps that explain how the duration, message, structure, and musical constraints were determined.

## Scope and given facts

In scope:

- The deliverable is a brand jingle.
- The promoted service is a laundry service.
- The total duration is exactly 15 seconds.
- The output language is English.
- The jingle may include music, vocals, lyrics, or a memorable sonic tag, but choose among these only when justified by the brief.
- The jingle must be suitable for promotional use, subject to the rights and clearance information identified below.

Out of scope:

- Do not invent a laundry-service name, slogan, location, price, offer, turnaround time, stain-removal result, environmental claim, or customer promise.
- Do not expand the deliverable into a full commercial script, campaign plan, or visual advertisement.
- Do not imitate an existing song, melody, lyric, or living artist’s voice.

Treat these as unresolved inputs:

- “[FILL IN: laundry service name or brand phrase]” is filled by the exact approved name or phrase supplied by the user.
- “[FILL IN: desired genre, BPM, key, and instrumentation]” is filled by the approved musical direction.
- “[FILL IN: target audience and required call to action]” is filled by the intended audience and the action the jingle should prompt.

## Working rules

First identify the message that can be communicated truthfully with the supplied facts. If no brand name or service benefit is supplied, use a neutral laundry-service theme and mark any proposed slogan or benefit as “[FILL IN: approved message]” rather than presenting it as fact.

State genre, BPM, key, instrumentation, vocal approach, and delivery as confirmed values or slots. If a musical choice is necessary to make the draft coherent, label it “PROVISIONAL” and explain that it requires approval. Do not claim that a musical choice is commercially effective unless that claim is supported by supplied evidence.

Build the jingle against the 15-second limit. Allocate approximate seconds to each part, then check whether the proposed lyric syllables and instrumental transitions can fit that allocation at the stated BPM. For English lyrics, specify syllable count and stress pattern for every lyric-bearing part. State a rhyme scheme only if the lyrics use one. Prefer short, singable phrases and a repeatable brand hook over dense wording.

If the brand phrase is supplied, repeat it exactly wherever it appears; do not alter spelling, capitalization, pronunciation guidance, or wording without marking the change for approval. If no brand phrase is supplied, use “[FILL IN: brand phrase]” in the lyric plan.

Do not reproduce an existing melody or lyric. Do not name a living artist as the target voice. Describe vocal qualities using non-identifying attributes such as register, timbre, energy, articulation, and group size.

For rights planning, leave these as explicit slots: “[FILL IN: music ownership or licence terms]”, “[FILL IN: vocal performance rights]”, and “[FILL IN: permitted commercial uses]”. If the jingle uses a sample, stock sound, library, or external recording, identify its source and require confirmation of the licence before release.

## Output structure

Use the following order:

1. **Reasoning steps** — Give brief, observable steps: identify the confirmed facts; identify missing brand and musical inputs; select a 15-second allocation; estimate lyric syllables against BPM; check brand-message clarity; check rights dependencies.
2. **Song structure** — Provide an intro, verse, chorus, bridge, and outro direction as applicable to a 15-second jingle. Because the duration is short, combine or omit parts when necessary, and state why. Give a time allocation for every included part.
3. **Direction per part** — For each part, specify the musical action, vocal delivery, lyric or placeholder text, syllable count, stress pattern, and transition into the next part. Keep any lyric text short enough for the stated timing.
4. **Musical specification** — State genre, BPM, key, instrumentation, vocal register, timbre, delivery, and production character as confirmed values, provisional choices, or “[FILL IN: item]” slots.
5. **Brand and rights checks** — State the exact brand phrase to be used, the intended call to action, and the required music, vocal, and commercial-use rights slots. Do not fill missing values.
6. **Timing summary** — Show the total duration as exactly 15 seconds and ensure the part allocations add up to that total.

## Style rules

Use a hybrid style. Write the reasoning steps, musical specifications, timing summary, and rights checks in compact itemized form. Write the creative direction and lyric rationale in concise narrative prose. Keep the register professional, vivid, and production-ready without using generic advertising clichés such as “the best ever,” “revolutionary,” “magical,” or unsupported promises about cleanliness, speed, savings, or customer satisfaction.

## Style rules (humanizer v1)

These govern every prose surface in the deliverable. Never alter quotations, code, identifiers, or proper nouns to satisfy them.

- Banned vocabulary: delve, tapestry, testament, showcase, pivotal, crucial, vital, intricate, interplay, meticulous, foster, vibrant, boasts, nestled, groundbreaking, and "landscape" in the abstract sense. Banned inflation phrases: plays a vital role, underscores its importance, evolving landscape.
- Banned constructions: "not just X, but Y" negative parallelism, forced three-item lists, fake ranges ("from X to Y"), signposting ("Let's dive in"), staged staccato ("One goal. Zero compromises."), and synonym cycling. Name a thing the same way every time.
- Punctuation and structure: no em dashes in the final text (rewrite with a period, colon, or parentheses), no emoji, sentence case headings, no heading on every paragraph, no bolding cadence, no "In conclusion" wrap-up. Close on a concrete fact.
- Tone: no flattery ("Great question"), no chatbot residue ("I hope this helps"), no knowledge-cutoff hedging, no stacked hedges. Hold the register the genre calls for and vary sentence length.
- Fact integrity: every instruction to be specific carries one boundary. Use only facts present in the user's input or in a verifiable source. Do not invent details to sound human. Leave anything the user did not supply as a literal [FILL IN] slot instead of a plausible guess.
- False-positive guard: flawless grammar, a single em dash, one "however", or formal wording is not by itself an AI tell. Rewrite only where several signals cluster, and never rough the prose up on purpose.

## Final self-audit

Draft the deliverable in full, then interrogate the draft on two counts. Which passages read as obviously AI-written when checked against the style rules above? Did any line assert a fact absent from the user's input and unverifiable from the sources given? Rewrite what fails and submit only the corrected version. The audit itself never appears in your output.

## Self-verification

1. Confirm that the deliverable is a brand jingle rather than a full advertisement, campaign, or laundry-service business description.
2. Confirm that every included section supports an exact total duration of 15 seconds.
3. Confirm that the laundry service is the only supplied subject and that no unprovided service benefit, price, location, offer, or performance result has been asserted.
4. Check that “[FILL IN: laundry service name or brand phrase]” remains unfilled unless the user supplied an exact approved phrase.
5. Check that “[FILL IN: desired genre, BPM, key, and instrumentation]” is either supplied, clearly marked provisional, or left as a slot.
6. Check every English lyric-bearing part for a stated syllable count and stress pattern appropriate to its timing.
7. Confirm that any rhyme scheme is stated only when the proposed lyrics actually require one.
8. Confirm that no existing melody, lyric, or living artist’s voice has been reproduced or targeted.
9. Confirm that music ownership, vocal performance rights, and permitted commercial uses are identified without inventing licence terms.
10. Identify any fact added beyond “15-second brand jingle for a laundry service,” and remove it or label it “[FILL IN: approved message].”
11. Check that no slot—especially the brand phrase, audience, call to action, genre, BPM, key, or instrumentation—was filled arbitrarily.
12. Check that the final output has not drifted into visual direction, campaign planning, legal conclusions, or deliverables outside the requested jingle.