suno songwriter

Suno Songwriter

Compose original songs and deliver them as three clean, copy-paste-ready blocks built for the Suno AI music generator, version 5.5. Approach every song as a writer whose hooks lodge in people's heads after one listen — sharp imagery, a memorable central hook, and a structure that earns its payoff. That creative ambition is applied fresh to each song, not announced.

This skill has two phases: a short interview to pin down the creative brief, then composition and output. Do not skip the interview unless the user has clearly already supplied the answers or explicitly tells you to just write it.

Phase 1: Interview

Before composing, gather the brief. Ask the questions below in a single, scannable batch (not one at a time). Keep it tight — this is a creative warm-up, not an interrogation. Tell the user they can answer only what they care about and you'll make tasteful choices for the rest.

Ask about:

Concept / story — what the song is about; the narrative, emotion, or message.
Mood — e.g. defiant, melancholic, euphoric, menacing, tender.
Genre — e.g. synthwave, drill, alt-country, bossa nova, power ballad.
Lead instrument(s) — what carries the song.
Backup instrument(s) — supporting texture.
Lead singer — male, female, duet, triplet, or choir. (If a duet or triplet, ask if they want the singers to be distinct characters or interchangeable voices.)
Backup singers — male, female, or mixed.
Pace — slow, medium, or fast.
Time signature — ask for one (e.g. 4/4, 3/4, 6/8, 7/8); note it's optional and you'll default sensibly if they are unsure.
Language — confirm if anything other than English is wanted. Confirm if special phrasing is required (e.g. slang, dialect, made-up words). Pronunciation is important for Suno, so if they want something unusual, ask how it's pronounced or if there's a common phonetic spelling. Ask if they want shortened phonetic spellings for some words like playin' instead of playing, gonna instead of going to, etc.

If the user answers tersely or skips items, fill gaps with choices that serve the concept and mood — and briefly state the assumptions you made when you deliver the song, so they can redirect.

If the user has already given enough of a brief in the conversation, skip straight to composition and confirm your read of the brief in one line instead of re-interviewing.

Phase 2: Compose

Write the song to the brief. Then format the output as the three blocks defined below. Consult references/tag-reference-llm.md for the exact set of supported Suno meta tags and how they are written — do not invent tags or guess at syntax. That file is large; scan its section headers and read the entries for the specific tags you intend to use (structural tags like [intro], [verse], [chorus], [bridge], [outro], plus any vocal, instrument, dynamic, or effect tags relevant to the brief). Also respect the "Style of Music/Lyrics restrictions" section near the top — Suno rejects certain trademarked terms, so use the suggested substitutes.

Pronunciation rules

These keep Suno from mangling letter strings when it sings them:

Acronyms (pronounced as a word, e.g. NASA, RAM): spell phonetically so Suno sings them correctly — e.g. NASA → Nassa, GIF → Jiff or Giff to match intent. Use the phonetic spelling in the lyrics; you may note the original in parentheses in the title rationale if helpful.
Initialisms (pronounced letter by letter, e.g. FBI, DNA): separate the letters with hyphens — FBI → F-B-I, DNA → D-N-A.

Explicit content

Explicit lyrics are always allowed when they serve the song; never censor unless asked.

Flag strong explicit content only. If the lyrics contain strong profanity, slurs, or sexually explicit language, include a brief, non-judgmental notice (see output template) so the user is never surprised. Mild expletives do not need flagging — words like "damn", "hell", "crap", "ass" are mild and should not trigger the notice. Reserve the notice for the strong stuff (e.g. f-word, s-word, slurs, graphic sexual content). When in doubt about a borderline word, it's fine to mention it briefly rather than raise the full notice.

Non-English songs

Non-English lyrics are allowed on request. If the song is not entirely in English, include a full English translation in the output (see template). A song with occasional foreign phrases inside otherwise-English lyrics does not require a full translation, but translate the foreign lines inline or in a short gloss.

Output format

Produce exactly these blocks, in this order. Each block the user copies must be cleanly delimited in its own fenced code block so it can be copied verbatim with nothing extra.

1. Lyrics Block

The full lyrics with Suno meta tags inline. This is what the user pastes into Suno's Lyrics field.

Hard limit: 5,000 characters. Suno's optimal range is 2,000–3,500 characters — treat this as an advisory target, not a wall. Count the characters of the block. If it exceeds 5,000, rework it down (tighten verses, trim repeats, shorten ad-libs) until it fits — do not deliver an over-limit block. Below 5,000, do not pad or stretch a song just to reach the optimal range: genre-appropriate length wins over the numeric optimal. A bolero, a haiku-like ambient piece, or an interlude is legitimately short; a prog epic is legitimately long. If the final length falls outside 2,000–3,500, that's fine — just state the final character count and add a one-line note on why the length suits the form (e.g. "1,650 chars — boleros are short and intimate; padding would dilute it").

2. Styles Block

A description of the song's sound that supports and is consistent with the meta tags used in the Lyrics Block (same genre, instrumentation, vocal arrangement, pace, mood). This is what the user pastes into Suno's Styles field.

Hard limit: 1,000 characters. Suno's optimal range is 100–300 characters — aim for it as a preference (a tight, focused style prompt steers Suno better than a sprawling one), but it is advisory, not enforced. Count the characters. Only rework the block down when it exceeds the 1,000-character hard limit; landing somewhat above 300 is acceptable if the extra detail genuinely serves the song. State the final character count next to the block.

3. Suggested Titles Block

At least 10 and no more than 20 title options, each with a one-line rationale. Each title must be individually copy-pasteable.

Hard limit: 100 characters per title. Check every title's length. If any exceeds 100, rework that title. State each title's character count.

Delivery template

Use this structure when presenting the result:

Brief (as I understood it): <one-line recap; note any assumptions you filled in>

— LYRICS (paste into Suno "Lyrics" field) — [N characters]
<fenced code block containing only the lyrics + meta tags>

— STYLES (paste into Suno "Styles" field) — [N characters]
<fenced code block containing only the style description>

— SUGGESTED TITLES —
1. <title> (N chars) — <rationale>
2. ...
(10–20 total, each ≤100 chars, each easy to copy)

⚠️ Explicit-language notice: <only if STRONG profanity / slurs / sexual content present — skip for mild words like "damn"/"hell">

English translation: <only if the song is not entirely in English>

Always re-verify the character-limit rules before sending, and compute the counts — do not estimate them. Only the three hard limits (5,000 / 1,000 / 100-per-title) are non-negotiable: an over-limit block silently fails or truncates inside Suno, which wastes the user's generations. The optimal ranges are targets to aim for, not pass/fail gates.

Reference Files

tag-reference-llm

Suno Meta-Tags Reference (Distilled)

Version: 2025-12-02 (distilled from tag-reference_20251120-02.md) Target: LLM consumption for audio generation prompts

Restrictions

Avoid in "Style of Music" field:

"kraftwerk" → use "krautrock" / "old school EDM"
"Orbis Mundi"
"skank" → use "ska stroke" for guitar technique

Notation

Pipe notation for local overrides: [SectionName | param1: value, param2: value]

Example: [chorus | style: phonk hook, vocals: autotune-light, instruments: 808 bass]

Control Meta-Tags

[track]

Group: control
Purpose: Top-level container for global track properties.
Usage: [track: genre: phonk drift, style: lo-fi hip-hop, mood: gritty night drive, length: 180]
Parameters: genre, style, mood, length, instruments, loop-friendly, persona
Notes: Place at top; sections may override these values.

[control]

Group: control
Purpose: High-level directives for generation behavior.
Usage: [control: cinematic, emotional, slow-build]
Parameters: hallucinatory, no-repeat, dynamic transitions, instrumental, experimental
Notes: v5.0 expanded support; combine multiple directives.

[sequence]

Group: control
Purpose: Define section order and repetition pattern.
Usage: [sequence: intro, verse, chorus, verse, chorus, bridge, outro]
Parameters: linear, cyclical, reversed, mirrored
Notes: Helps structure long compositions.

[length]

Group: control
Purpose: Target track duration in seconds.
Usage: [length: 210]
Notes: 180 typical for v3.5/v4.0; 360 for v4.5+ ambient/instrumental.

[compression]

Group: control
Purpose: Dynamic range control hint.
Usage: [compression: light]
Parameters: light, moderate, heavy
Notes: Affects overall mix dynamics.

Structure Meta-Tags

[intro]

Group: structure
Purpose: Opening section establishing mood/instrumentation.
Usage:
- Basic: [intro] followed by description or silence.
- Styled: [intro | soft, atmospheric, synth-driven]
Parameters: soft, dramatic, percussive, atmospheric, synth-driven
Notes: Text after tag describes the intro character.

[verse]

Group: structure
Purpose: Main narrative/lyrical section.
Usage:
- Basic: [verse] followed by lyrics.
- Styled: [verse | intimate, acoustic, sparse]
Notes: Multiple verses: [verse 1], [verse 2], etc.

[pre-chorus]

Group: structure
Purpose: Build-up section before chorus.
Usage: [pre-chorus] followed by lyrics.
Notes: Creates anticipation; often increases energy.

[chorus]

Group: structure
Purpose: Main hook/refrain section.
Usage:
- Basic: [chorus] followed by lyrics.
- Styled: [chorus | anthemic, layered harmonies, full arrangement]
Notes: Typically repeated; highest energy section.

[bridge]

Group: structure
Purpose: Contrasting section providing variety.
Usage:
- Basic: [bridge] followed by lyrics.
- Styled: [bridge | stripped-down, key change, reflective]
Notes: Often precedes final chorus; provides contrast.

[interlude]

Group: structure
Purpose: Short instrumental break between sections.
Usage: [interlude: ambient pad swells before chorus]
Parameters: instrumental, melodic, rhythmic, ambient, minimal
Notes: No lyrics inside; transition function.

[intermezzo]

Group: structure
Purpose: Self-contained contrasting passage.
Usage: [intermezzo: dramatic orchestral swell]
Parameters: contrasting, reflective, dramatic, ornamental
Notes: More substantial than interlude; may be unrelated to main theme.

[break]

Group: structure
Purpose: Sudden reduction or pause in arrangement.
Usage: [break: drums only, 4 bars]
Parameters: minimal, percussive, ambient, dramatic
Notes: Creates tension before return.

[drop]

Group: structure
Purpose: High-energy moment after build-up (EDM-style).
Usage: [drop: heavy bass, full percussion]
Notes: Typically follows a build or break.

[build]

Group: structure
Purpose: Rising energy section leading to climax/drop.
Usage: [build: synth riser, percussion intensifying]
Parameters: gradual, intense, filtered, layered
Notes: v4.5+ confirmed; improved polyphonic builds in v5.0.

[hook]

Group: structure
Purpose: Catchy, memorable phrase or motif.
Usage: [hook] Short memorable line here
Notes: Keep text very short, rhythmically clear; v4.5+ confirmed.

[solo]

Group: structure
Purpose: Featured instrumental lead passage.
Usage: [solo: melodic guitar improvisation]
Parameters: guitar, saxophone, synth, piano, drum
Notes: Instrument-specific variants: [guitar solo], [sax solo], etc.

[outro]

Group: structure
Purpose: Closing section of track.
Usage:
- Basic: [outro] followed by description.
- Styled: [outro | fading, minimal, reverb tail]
Parameters: fade-out, abrupt, reprise, ambient
Notes: Place before [end].

[end]

Group: structure
Purpose: Signal track conclusion.
Usage: [end]
Notes: Unreliable alone; combine with outro description. May not stop instrumentals.

[coda]

Group: structure
Purpose: Concluding passage after main structure.
Usage: [coda: final thematic statement, resolution]
Notes: Classical term; provides closure.

Style/Genre Meta-Tags

[genre]

Group: style
Purpose: Primary musical genre classification.
Usage: [genre: midwest emo + neosoul]
Notes: v4.5+ handles hybrid genres (X + Y) reliably. 1,200+ genres supported.

[style]

Group: style
Purpose: Aesthetic/textural descriptors.
Usage: [style: gritty, lo-fi, nocturnal]
Notes: Freeform; supports compound styles like horror-synth, glitch-jazz.

[mood]

Group: style
Purpose: Emotional character of track.
Usage: [mood: melancholic, introspective, bittersweet]
Parameters: dark, uplifting, dreamy, aggressive, serene, tense
Notes: Affects overall emotional arc.

[era]

Group: style
Purpose: Historical/stylistic period reference.
Usage: [era: 1980s synthwave]
Notes: User-tested; guides production aesthetics.

[ambient]

Group: style
Purpose: Atmospheric, textural, non-rhythmic character.
Usage: [ambient: dark, textural drones]
Parameters: textural, minimal, dark, bright, dissonant
Notes: Can be used as style modifier or section type.

Tempo/Rhythm Meta-Tags

[tempo]

Group: tempo
Purpose: Speed/feel of track.
Usage: [tempo: mid-tempo 90s hip-hop swing]
Notes: No exact BPM; use descriptive phrases. v4.5+ parses complex tempo descriptions.

[bpm]

Group: tempo
Purpose: Approximate tempo indicator.
Usage: [bpm: 120]
Notes: Suggestive, not precise; combine with feel descriptors.

[rhythm]

Group: tempo
Purpose: Rhythmic pattern/feel characteristics.
Usage: [rhythm: syncopated, swing feel, broken beat]
Parameters: steady, syncopated, polyrhythmic, shuffle, straight
Notes: Affects groove character.

[accelerando]

Group: tempo
Purpose: Gradual tempo increase.
Usage: [accelerando: gradual into climax]
Parameters: gradual, sudden, layered, intensified, syncopated
Notes: Creates urgency/excitement.

[ritardando]

Group: tempo
Purpose: Gradual tempo decrease.
Usage: [ritardando: slowing into outro]
Parameters: gradual, dramatic, subtle
Notes: Creates resolution/finality.

[pulse]

Group: tempo
Purpose: Underlying rhythmic foundation.
Usage: [pulse: steady 4/4, driving]
Notes: Defines basic rhythmic grid.

[sincopation]

Group: tempo
Purpose: Off-beat rhythmic accents.
Usage: [sincopation: jazzy groove, off-beat snare]
Parameters: light, complex, jazzy, heavily-accented
Notes: Also spelled "syncopation".

Vocal Meta-Tags

[vocals]

Group: vocal
Purpose: Vocal characteristics and style.
Usage: [vocals: warm, intimate, close-mic, female]
Parameters: gender, tone descriptors, processing hints
Notes: v4.5+ responds to nuanced descriptors.

[vocal-style]

Group: vocal
Purpose: Specific vocal delivery technique.
Usage: [vocal-style: whispered, airy, breathy]
Notes: Replaced deprecated [sing-style] from v3.

[vocalist]

Group: vocal
Purpose: Voice character/persona lock.
Usage: [vocalist: deep baritone, raspy]
Notes: v5.0 improved consistency across sections.

[male vocal] / [female vocal]

Group: vocal
Purpose: Gender specification for vocals.
Usage: [male vocal] or [female vocal]
Notes: v4.5+ confirmed; use at section start.

[duet]

Group: vocal
Purpose: Two distinct vocal parts.
Usage: [duet: male and female trading lines]
Notes: User-tested; alternating vocal deliveries.

[choir]

Group: vocal
Purpose: Choral vocal arrangement.
Usage: [choir: angelic, layered, gospel-style]
Parameters: angelic, powerful, layered, gospel, dissonant
Notes: v4.5+ produces richer choir harmonies.

[background-vocals]

Group: vocal
Purpose: Supporting/harmony vocals.
Usage: [background-vocals: layered harmonies in chorus]
Parameters: harmonic, call-response, layered, ethereal, chant
Notes: Thickens arrangement.

[harmonies]

Group: vocal
Purpose: Vocal harmony layers.
Usage: [harmonies: tight thirds, gospel-style]
Notes: User-tested; adds vocal depth.

[whisper]

Group: vocal
Purpose: Whispered vocal delivery.
Usage: [whisper] the secrets only night can hear
Notes: v4.5+ improved detection; for lead vocal.

[whispering]

Group: vocal
Purpose: Background whisper texture/layer.
Usage: [whispering: eerie murmurs underneath]
Notes: More textural than [whisper]; atmospheric.

[spoken word]

Group: vocal
Purpose: Non-sung speech delivery.
Usage: [spoken word] Poetry-style narration here
Notes: Poetic cadence; less strict than rap flow.

[rap]

Group: vocal
Purpose: Rhythmic spoken delivery with flow.
Usage: [rap | aggressive, fast flow]
Notes: Stricter rhythm than spoken word.

[rapped verse]

Group: vocal
Purpose: Verse section with rap delivery.
Usage: [rapped verse] followed by lyrics.
Notes: v4.5+ confirmed.

[shout]

Group: vocal
Purpose: Forceful/shouted vocal element.
Usage: [shout: group chant over chorus]
Parameters: single, group, layered, distorted
Notes: For intensity/emphasis.

[ad-lib]

Group: vocal
Purpose: Improvised vocal/instrumental phrase.
Usage: [ad-lib: vocal runs in final chorus]
Parameters: vocal, instrumental, rhythmic, melodic
Notes: Embellishments and fills.

[announcer]

Group: vocal
Purpose: Spoken host/presenter voice.
Usage: [announcer: retro radio DJ, warm tone]
Notes: v4.5+ confirmed; radio/podcast framing.

[vulnerable vocals]

Group: vocal
Purpose: Emotionally exposed, intimate delivery.
Usage: [vulnerable vocals: fragile, close-mic, minimal reverb]
Notes: User-tested; raw emotional quality.

[distorted vocals]

Group: vocal
Purpose: Processed/degraded vocal sound.
Usage: [distorted vocals: lo-fi, bitcrushed]
Notes: v4.5+ confirmed.

Instrument Meta-Tags

[instruments]

Group: instrument
Purpose: List instruments for track palette.
Usage: [instruments: acoustic guitar, soft synth pads, subtle piano]
Notes: Place before structure tags; establishes timbre.

[instrument]

Group: instrument
Purpose: Highlight single prominent instrument.
Usage: [instrument: violin (lead)]
Parameters: piano, guitar, violin, synth, brass
Notes: Makes specified instrument prominent.

[instrumental]

Group: instrument
Purpose: Generate track with no vocals.
Usage: [instrumental] or [instrumental: cinematic orchestral]
Notes: Place at start of lyrics field; v4.5+ stricter adherence.

[bass]

Group: instrument
Purpose: Bassline characteristics.
Usage: [bass: deep sub-bass, pulsing]
Parameters: deep, sub-bass, pulsing, saturated, modulated, syncopated
Notes: Defines low-end character.

[bass-slide]

Group: instrument
Purpose: Sliding bass note effect.
Usage: [bass-slide: downward glissando before drop]
Parameters: upward, downward, glissando, percussive, synth
Notes: Groove/tension element.

[arpeggio]

Group: instrument
Purpose: Broken chord sequence pattern.
Usage: [arpeggio: syncopated synth arpeggios]
Parameters: rising, falling, circular, syncopated, randomized
Notes: Creates movement/texture.

Dynamic Meta-Tags

[dynamics]

Group: dynamic
Purpose: Volume/intensity variations.
Usage: [dynamics: gradual build from pp to ff]
Parameters: pp, p, mp, mf, f, ff, crescendo, decrescendo
Notes: Shapes emotional arc.

[intensity]

Group: dynamic
Purpose: Emotional/musical tension control.
Usage: [intensity: low → medium → explosive → collapse]
Parameters: low, medium, high, rising, falling, fluctuating, plateau, explosive
Notes: Effective with [control]; defines energy arc.

[crescendo]

Group: dynamic
Purpose: Gradual increase in volume/intensity.
Usage: [crescendo: strings swell into climax]
Notes: Classical dynamic marking.

[decrescendo]

Group: dynamic
Purpose: Gradual decrease in volume/intensity.
Usage: [decrescendo: fading into silence]
Notes: Also "diminuendo".

[sforzando]

Group: dynamic
Purpose: Sudden strong accent.
Usage: [sforzando: brass stabs into chorus]
Parameters: single-hit, repeated, orchestral, percussive
Notes: Dramatic impact moments.

[attack]

Group: dynamic
Purpose: Note onset character.
Usage: [attack: soft on pads, sharp on percussion]
Parameters: sharp, soft, gradual, percussive
Notes: Shapes sound envelope.

[silence]

Group: dynamic
Purpose: Intentional pause/absence of sound.
Usage: [silence: dramatic pause before chorus]
Parameters: short, sudden, gradual, echoed
Notes: For contrast/tension.

Harmony/Melody Meta-Tags

[key]

Group: harmony
Purpose: Musical key specification.
Usage: [key: E minor]
Notes: Affects overall tonality.

[harmony]

Group: harmony
Purpose: Harmonic characteristics.
Usage: [harmony: rich, jazz voicings, extended chords]
Parameters: consonant, dissonant, modal, chromatic, diatonic
Notes: Shapes harmonic complexity.

[melody]

Group: harmony
Purpose: Melodic characteristics.
Usage: [melody: lyrical, ascending phrases]
Parameters: lyrical, angular, stepwise, leaping, ornamental
Notes: Defines melodic character.

[chord]

Group: harmony
Purpose: Chord progression hints.
Usage: [chord: minor progression, descending]
Notes: Suggestive; not precise notation.

[modulation]

Group: harmony
Purpose: Key change within track.
Usage: [modulation: shift up half-step for final chorus]
Parameters: gradual, sudden, pivot, direct
Notes: Creates lift/interest.

[polyphony]

Group: harmony
Purpose: Multiple independent melodic lines.
Usage: [polyphony: two-voice counterpoint]
Notes: v4.5+ confirmed; richer in v5.0.

Thematic Meta-Tags

[theme]

Group: thematic
Purpose: Main melodic/motivic idea.
Usage: [theme A: strings introduce main melody]
Notes: Use labeled variants: [Theme A], [Theme B].

[motif]

Group: thematic
Purpose: Short recurring musical idea.
Usage: [motif: 4-note descending figure]
Notes: Building block for development.

[subject]

Group: thematic
Purpose: Primary theme marking (fugal).
Usage: [subject: main fugue theme on piano]
Notes: v5.0 confirmed; classical technique.

[inversion]

Group: thematic
Purpose: Theme played upside-down melodically.
Usage: [inversion: subject inverted on strings]
Parameters: strict, free, stretched
Notes: v5.0 confirmed; fugal technique.

[lament]

Group: thematic
Purpose: Sorrowful, descending motif.
Usage: [lament: descending strings in minor]
Parameters: descending, vocal, instrumental, choral
Notes: v5.0 confirmed; sorrowful character.

[aria-rise]

Group: thematic
Purpose: Operatic, rising vocal phrase.
Usage: [aria-rise: soprano rises into climax, strings swell]
Parameters: solo, choral, orchestral
Notes: v5.0 enhanced operatic implementation.

[chant-loop]

Group: thematic
Purpose: Repeating ritualistic vocal pattern.
Usage: [chant-loop: hypnotic mantra, layered voices]
Notes: v5.0 expanded ritualistic parameters.

Effects Meta-Tags

[sfx]

Group: effects
Purpose: Non-musical sound effects.
Usage: [sfx: distant whispering, mechanical hum]
Parameters: wind, whispering, industrial, nature, glitch
Notes: Atmospheric/narrative elements.

[effects]

Group: effects
Purpose: Audio processing characteristics.
Usage: [effects: heavy reverb, tape saturation]
Notes: General effects container.

[signal-processing]

Group: effects
Purpose: Specific audio processing.
Usage: [signal-processing: bitcrush on drums, phaser on synths]
Parameters: reverb, delay, compression, saturation, bitcrush, phaser, flanger, chorus, distortion
Notes: Technical processing hints.

[siren]

Group: effects
Purpose: Alarm/siren sound effect.
Usage: [siren: style: industrial, length: medium]
Parameters: air-raid, police, industrial; short, medium
Notes: Urgency/sci-fi element.

Arrangement Meta-Tags

[arrangement]

Group: arrangement
Purpose: Overall organization of elements.
Usage: [arrangement: layered, building toward climax]
Parameters: dense, minimal, layered, dynamic, orchestral
Notes: Structural density control.

[articulation]

Group: arrangement
Purpose: Note attack/connection style.
Usage: [articulation: staccato strings, legato woodwinds]
Parameters: staccato, legato, marcato, tenuto, accented, spiccato, sustained
Notes: Performance technique.

[sonority]

Group: arrangement
Purpose: Tonal quality/richness.
Usage: [sonority: warm, rich brass]
Parameters: bright, dark, warm, rich, thin, harsh
Notes: Overall timbral character.

[improvisation]

Group: arrangement
Purpose: Free melodic/harmonic variations.
Usage: [improvisation: jazzy trumpet solo]
Parameters: freeform, jazzy, ornamental, structured, call-and-response
Notes: Spontaneous elements.

Language/Localization

[language]

Group: control
Purpose: Lyrics language specification.
Usage: [language: Japanese]
Parameters: English, Spanish, French, Japanese, Italian, Multilingual
Notes: Affects vocal phonetics.

Deprecated/Obsolete Tags

Tag	Status	Alternative
`[sing-style]`	Deprecated v4	Use `[vocal-style]`
`[song-type]`	Inert v4+	Use structure tags
`[theme]` (unlabeled)	Ignored	Use `[Theme A]`, `[Theme B]`
`[section]`	Redundant	Use explicit structure tags
`[loop]`	Removed	Manually copy structures
`[autotune]`	Deprecated	Describe in style text
`[mix]`, `[master]`, `[filter]`, `[panning]`, `[volume]`	Ineffective	N/A

Version Notes

v4.5 improvements:

Style of Music field: 1000 chars (was 200)
Genre mashups work reliably
Tempo descriptors parsed more naturally
Vocal texture tags more responsive
[instrumental] strictly honored
Longer structures (8+ min) supported
Tags can be embedded in natural sentences

v5.0 (November 2025) additions:

[aria-rise] enhanced operatic
[build] improved polyphonic builds
[chant-loop] expanded ritualistic
[inversion] fugal technique
[lament] sorrowful motif
[polyphony] richer vocal polyphony
[scat break] jazz improvisation
[subject] primary theme marking
[technique] compositional method

Quick Reference: Common Patterns

Instrumental ambient track:

[instrumental]
[control: atmospheric, slow-build]
[genre: dark ambient]
[mood: mysterious, vast]
[tempo: very slow, drifting]
[instruments: synth pads, deep drones, distant bells]
[length: 360]
[intro | minimal, emerging from silence]
[verse | layers building slowly]
[chorus | full texture, shimmering]
[outro | fading into void]
[end]

Vocal song with structure:

[control: dynamic transitions]
[genre: indie pop]
[mood: bittersweet, nostalgic]
[tempo: mid-tempo]
[vocals: warm female, intimate]
[instruments: acoustic guitar, soft drums, piano]
[length: 210]
[intro | guitar fingerpicking]
[verse 1]
Lyrics here...
[pre-chorus]
Building lyrics...
[chorus | full arrangement, harmonies]
Hook lyrics...
[verse 2]
More lyrics...
[bridge | stripped down, key change]
Bridge lyrics...
[chorus]
[outro | fading reprise]
[end]