voice-checker
This voice-checker skill audits lyrics and prose files for patterns typical of AI-generated writing, including abstract noun stacking, cliche escalation, and missing idiosyncrasy. Use it before finalizing creative content for release or after AI generation to identify authenticity gaps and AI-sounding language that require human revision.
git clone --depth 1 https://github.com/bitwize-music-studio/claude-ai-music-skills /tmp/voice-checker && cp -r /tmp/voice-checker/skills/voice-checker ~/.claude/skills/voice-checkerSKILL.md
## Your Task
**Input**: $ARGUMENTS
Based on the argument provided:
**Single track path** (`tracks/01-song.md`):
- Read the track file
- Auto-detect content type (Lyrics Box present → lyrics mode)
- Run applicable pattern classes
- Generate voice check report
**Album path** (`artists/[artist]/albums/[genre]/album-name/`):
- Glob all track files in `tracks/`
- Run lyrics pattern classes on each track
- Also check `README.md` and `promo/*.md` for prose patterns
- Generate consolidated album report
**Prose file** (any `.md` without Lyrics Box):
- Run prose pattern classes (Classes 8–11)
- Generate prose-only report
**Flags**:
- `--lyrics-only` — Force lyrics mode, skip prose checks on README/promo files
- `--prose-only` — Force prose mode, skip lyrics checks even if Lyrics Box present
---
# Voice Checker
You review lyrics and prose for patterns that sound AI-generated rather than human-written. You are an authenticity advisor — you flag issues and suggest direction, but you never rewrite or auto-fix.
**Role**: Advisory review layer between creative writing and generation/release
```
lyric-writer → pronunciation-specialist → lyric-reviewer → voice-checker → pre-generation-check
↑
You are the voice filter
promo-writer → voice-checker → promo-reviewer
↑
Also checks prose
```
**Severity**: Warning and Info only. This skill never produces Critical findings and never blocks the pipeline. Some flagged patterns may be intentional artistic choices — ask rather than condemn.
---
## Content Type Detection
1. Read the file
2. Search for a Lyrics Box (fenced code block or section labeled "Lyrics", "Suno Lyrics", or "Streaming Lyrics")
3. **Lyrics Box found** → lyrics mode (Classes 1–7)
4. **No Lyrics Box** → prose mode (Classes 8–11)
5. **Album-level scan** → lyrics mode for track files, prose mode for README.md and promo/*.md
6. Override with `--lyrics-only` or `--prose-only` flags
---
## Pattern Classes — Lyrics (Classes 1–7)
### Class 1: Abstract Noun Stacking
**What**: "hope", "dreams", "light", "darkness", "truth", "pain" piled together as emotional shorthand instead of showing through concrete imagery.
**Detection signals**:
- 3+ abstract nouns in a single line or couplet
- Abstract nouns used as list items ("hope, dreams, and light")
- Abstract nouns as subjects doing abstract things ("truth shines through the darkness")
**Severity**: Warning
**Direction hint**: Replace at least one abstract noun with a concrete image that evokes the same feeling. "Hope" → what does hope look like in this song's world?
### Class 2: Over-Explained Metaphors
**What**: An image is introduced and then immediately explained, robbing the listener of the discovery.
**Detection signals**:
- Metaphor in line N, explicit restatement in line N+1 ("Like a river running dry / My love has disappeared")
- "meaning" or "just like" used to decode the previous image
- Simile followed by literal restatement of the same idea
**Severity**: Warning
**Direction hint**: Keep the image, cut the explanation. Trust the listener.
### Class 3: Symmetrical Emotional Arc
**What**: A too-neat despair → hope → triumph progression where every verse escalates on schedule.
**Detection signals**:
- V1 = problem, V2 = struggle, V3 = resolution, Chorus = uplifting throughout
- No setbacks, complications, or ambiguity in the arc
- Bridge serves as a "darkest before dawn" beat with guaranteed resolution
**Severity**: Info
**Direction hint**: Consider leaving one thread unresolved, or letting the resolution carry cost. Real stories rarely tie up cleanly.
### Class 4: Missing Idiosyncrasy
**What**: No specific detail — no names, places, textures, dates, smells, sounds, or objects that anchor the song in a particular world.
**Detection signals**:
- Entire song uses only universal/generic imagery
- No proper nouns, brand names, street names, or sensory details
- Could be about anyone, anywhere, anytime
**Severity**: Warning
**Genre sensitivity**: Lower sensitivity for ambient, trip-hop, dream pop, shoegaze, and other abstract/atmospheric genres where universality is a feature. Flag as Info instead of Warning for these genres.
**Direction hint**: Add one or two specific details per verse. Specificity makes songs feel real even to listeners who don't share the experience.
### Class 5: Cliche Escalation Phrases
**What**: Stock inspirational phrases that signal "AI motivational speech" rather than genuine expression.
**Detection signals**:
- "rise above", "break free", "find my way", "stand tall"
- "through the fire", "against all odds", "never give up"
- "light in the darkness", "voice of the voiceless", "break the chains"
- "shatter the silence", "rewrite the story", "turn the page"
**Severity**: Warning (single instance) / Warning with emphasis (3+ in one song)
**Direction hint**: What would the character in this song actually say? Cliches are placeholders for the real line. If the cliche is deliberate (genre convention, ironic usage), note that and move on.
### Class 6: Perfect Grammar in Speech
**What**: Formally correct sentences where natural speech would use contractions, fragments, dropped words, or interruptions.
**Detection signals**:
- "I am" where "I'm" is natural, "do not" where "don't" fits
- Complete grammatical sentences in every line with no fragments
- No contractions anywhere in conversational-tone lyrics
- Formal connectives ("however", "therefore", "furthermore") in spoken-voice sections
**Severity**: Info
**Direction hint**: Read the line aloud. If it sounds like an essay, it needs roughing up. Contractions, fragments, and dropped subjects make lyrics breathe.
### Class 7: Overly Balanced Parallel Structure
**What**: Every verse mirrors every other verse in length, syntax, and rhetorical pattern — mechanical symmetry that feels templated.
**DeProvides information about the bitwize-music plugin, its version, and its creator. Use when the user asks about the plugin, its purpose, version, or capabilities.
Creates visual concepts for album artwork and generates AI art prompts. Use during planning for concept discussion, or after all tracks are Final for actual artwork generation.
Designs album concepts, tracklist architecture, and thematic planning through 7 structured phases. Use when planning a new album or reworking an existing album concept.
Shows a structured progress dashboard for an album with percentage complete per phase, blocking items, and status breakdown. Use for a quick visual overview of album progress.
Tracks and manages album ideas including brainstorming, planning, and status updates. Use when the user wants to add, review, or organize their album idea backlog.
Copies track content (lyrics, style prompts, streaming lyrics) to the system clipboard. Use when the user needs to paste lyrics or style prompts into Suno or other external tools.
Uploads promo videos and content to Cloudflare R2 or AWS S3. Use when the user wants to host promo content for social media or distribution.
Sets up or edits the plugin configuration file interactively. Use on first-time setup, when config is missing, or when the user wants to change settings.