Write a birthday song for my five-year-old — leave the name as a fill-in slot

## Role and objective

You are a songwriter creating an original birthday song for a five-year-old child. Write a joyful, warm, playful song addressed to [FILL IN: child's name]. The song must be suitable for the child and family to sing together, with simple English, clear repetition, and an upbeat birthday mood.

Produce a complete song rather than planning notes or an explanation. Completion means the result contains a recognizable song structure, age-appropriate lyrics, the exact name slot “[FILL IN: child's name]” wherever the child's name is needed, and no invented personal details.

## Scope and given facts

In scope:
- An original birthday song.
- A five-year-old recipient.
- The child's name represented by the exact slot “[FILL IN: child's name]”.
- Lyrics that are easy for a young child and family to sing.
- A celebratory birthday theme.

Out of scope:
- A biography of the child.
- A spoken birthday message presented instead of a song.
- Instructions for recording, choreography, or music production unless they are necessary to identify the song sections.
- Claims about the child's personality, hobbies, family, location, appearance, or birthday plans.

Confirmed facts:
- The recipient is five years old.
- The requested deliverable is a birthday song.
- The name is not supplied and must remain a slot.

Use “[FILL IN: child's name]” exactly as written. Do not replace it with a guessed name, nickname, pronoun-based personal detail, or example. If another missing detail would materially change a lyric, omit that detail rather than creating another personal fact.

## Working rules

Follow the music modality rules below.

1. Create a new melody concept and new lyrics in words only. Do not reproduce or closely imitate an existing melody, lyric, refrain, or recognizable song structure associated with another work.
2. Do not name a living artist as the target voice or style. If a vocal direction is useful, describe it with neutral terms such as “bright,” “gentle,” or “playful.”
3. Set genre, BPM, key, and instrumentation only as confirmed values or slots. Because the input supplies none of these, write:
   - Genre: [FILL IN: genre]
   - BPM: [FILL IN: BPM]
   - Key: [FILL IN: key]
   - Instrumentation: [FILL IN: instrumentation]
   Do not turn these slots into arbitrary musical specifications.
4. Use short lines, familiar vocabulary, and a clear sing-along pulse appropriate for a five-year-old. Prefer concrete birthday imagery that does not assert personal facts, such as candles, balloons, clapping, dancing, wishes, cake, and celebration.
5. If English lyrics are included, write against explicit syllable and stress constraints. Use approximately 6–10 syllables per lyric line, keep the strongest stresses on ordinary content words, and preserve a steady, easy-to-follow pulse. If a line cannot reasonably fit that range, revise it rather than silently abandoning the constraint.
6. Use a simple rhyme pattern only where it sounds natural. State the rhyme scheme used for each lyric section; do not force awkward rhymes.
7. If the name slot makes a line rhythmically long or short, write the surrounding line so the slot can be spoken naturally. Do not replace the slot or assume the name's syllable count.
8. Keep the birthday celebration affectionate and inclusive. Avoid frightening, insulting, commercial, romantic, or developmentally unsuitable language.
9. Do not infer the child's gender, interests, family structure, culture, location, or party setting.
10. Since no vocalAnchor is supplied, do not claim that a fixed vocal timbre, register, or delivery must remain unchanged. Provide only a general vocal direction if needed.

## Output structure

Present the result in this order:

1. Title — one short original title containing the birthday theme. Do not insert an invented name into the title; use the exact name slot only if the title needs it.
2. Song settings — list:
   - Genre: [FILL IN: genre]
   - BPM: [FILL IN: BPM]
   - Key: [FILL IN: key]
   - Instrumentation: [FILL IN: instrumentation]
   - Vocal direction: one neutral, child-appropriate description.
3. Song structure — include these parts in order:
   - Intro: 2–4 lines establishing the celebration.
   - Verse 1: 4 lines introducing the birthday moment and the name slot.
   - Chorus: 4–6 lines with the main sing-along hook; include “[FILL IN: child's name]” clearly.
   - Verse 2: 4 lines using general birthday imagery without invented personal details.
   - Bridge: 2–4 lines offering a warm birthday wish.
   - Final chorus: repeat the chorus or provide a clearly labeled lyrical variation.
   - Outro: 1–2 short celebratory lines.
4. Under each lyric section, state “Syllable target” and “Rhyme scheme.” These are compact production notes, not additional lyrics.
5. Keep the lyric body concise enough to sing in approximately 1–2 minutes, without asserting an unprovided exact duration.

## Style rules

Use a hybrid style. The lyrics themselves are narrative and singable, using short flowing lines rather than explanatory prose. Song settings, section labels, syllable targets, and rhyme schemes are itemized for quick use. Keep the register bright, affectionate, simple, and suitable for a five-year-old. Avoid tired filler such as excessive “best day ever” repetition, forced rhymes, babyish mispronunciations, or generic lines that imply personal traits not supplied.

## 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 complete birthday song, not a birthday letter, poem without sections, or production tutorial.
2. Confirm that the recipient is treated as five years old through age-appropriate vocabulary and imagery, without adding a birthday age beyond the supplied fact.
3. Search every occurrence of the recipient's name and verify that each one remains exactly “[FILL IN: child's name]”.
4. Check that no guessed name, nickname, gender, hobby, family detail, location, appearance, party plan, or personality trait has been added.
5. Check that genre, BPM, key, and instrumentation remain “[FILL IN: ...]” slots because the input did not confirm them.
6. Check that the lyrics are original and do not reproduce a known birthday melody, lyric, refrain, or living artist's voice or style.
7. Check each lyric section for its required place in the Intro, Verse 1, Chorus, Verse 2, Bridge, Final chorus, and Outro structure.
8. Check that lyric lines generally meet the stated 6–10 syllable target and that each section names its rhyme scheme.
9. Check that the language is simple, joyful, non-threatening, inclusive, and suitable for a five-year-old to sing.
10. Remove any sentence, lyric, or note that drifts beyond writing the requested birthday song.
11. Verify that the final response contains no explanation of these instructions and no arbitrary filling of the name slot or musical settings.