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Music Architect

Bring your words. Build the sound.
Song Title
Write Your Lyrics

Tap a section tag to label each part of your song, then write directly in the box below. Your words, your voice — we help shape the sound around them.

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Lyric Insight

AI reads your lyrics and suggests emotional tone, themes, and chord mood — to guide your arrangement. Requires API key in Settings.

Pick a key and mode, then tap a chord to select it. Tap any word in your lyrics below to place that chord above it. Build your full chart section by section.
Chord Palette — tap a chord to select it
Quick Progression Builder
Tap chords above to build your progression…
Chord Chart
Step 1 — Tap a chord in the palette above to select it (it will glow).
Step 2 — Tap any word below to place that chord above it.
Step 3 — Tap a placed chord marker to remove it.
No chord selected — tap one above
Shape the sound. Every selection below feeds your Suno/Udio prompt. The more specific, the better the output.
Genre & Style
Mood / Emotion
Instrumentation
Production Style
Arrangement Dynamics

Select the moments and movements you want in this song. These will be written into your prompt so the AI knows how the song should arc and breathe.

Describe the Song Arc (optional — in your own words)
Reference Artists (optional)
Additional Notes
Your finished prompt for Suno or Udio. Copy it, open your app, and paste it in the style/description field. Your lyrics go in the separate lyrics field inside those apps.
Generated Prompt
Go to Arrange, fill in your song details, then tap "Generate My Prompt →"
0 / 1000 characters
How to Use This
Suno: Paste into the Style of Music field. Put your lyrics in the Lyrics field separately.

Udio: Paste as the main prompt. Lyrics go in their own section.

Specificity wins. "Fingerpicked acoustic, brushed snare, 68 BPM, C minor" beats "a sad folk song" every time.
Songwriting Craft Reference

Concepts drawn from The Addiction Formula by Friedemann Findeisen. Buy the book →

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Ask a Question

Uses your Claude API key for full answers. Works without a key too — gives a reference-based response.

Core Principles
  • A song is a holistic system — melody, harmony, lyrics, rhythm, and production must all work together to grab and hold attention.
  • Use psychological triggers: anticipation → gratification → renewed anticipation.
  • Design your song around its energy curve — intentional rises and falls in intensity.
  • Build momentum using tension, implied tension, hype, and release.
1. Structure With Intention
  • Intro — sets mood
  • Verse — builds anticipation
  • Pre-Chorus — heightens tension
  • Chorus — delivers payoff
  • Bridge — offers contrast or refresh
  • Transitions should always nudge energy upward or downward purposefully.
2. Focus on Energy Over Music Theory

Ask yourself these three questions about every element of your song:

  • "Does this increase energy?"
  • "Does this serve the hook?"
  • "Does this build or release tension?"

Remove anything that doesn't support the energy arc.

3. Rhythm Is a Primary Driver of Energy
  • Rhythm patterns can raise or lower hype regardless of harmonic changes.
  • Subdivision changes influence momentum and emotional response.
4. Melody, Harmony & Arrangement Serve the Energy Arc
  • Higher pitch range and contour often = higher energy.
  • Harmony choices shape emotional tension.
  • Arrangement layering increases sonic density to lift sections.
5. Lyrics Should Support the Emotional Narrative
  • Lyrics should match the section's tension level — more detail in verse, more emotional directness in chorus.
  • Contrast themes or perspectives between verse and chorus.
10-Step Practical Workflow
  1. Sketch the energy curve first.
  2. Define or write the main hook early.
  3. Build tension in the verses leading to the hook.
  4. Gradually layer instruments to lift intensity.
  5. Adjust rhythmic density to support energy shifts.
  6. Assign hype levels to each section.
  7. Refine harmonic progressions to match emotional goals.
  8. Use lyrics to reinforce transitions and tension.
  9. Apply production choices (effects, dynamics, panning) to enhance energy.
  10. Test the song's flow — remove dips or flatlining sections.
Analyze Popular Songs
  • Map out energy curves of songs you love.
  • Notice where tension builds and where gratification hits.
Iterative Testing
  • Play your draft for someone and ask them to sketch where they felt energy rise or fall.
  • Compare their perception to your intention.
Use Visual Tools
  • Plot your song like a graph: low → medium → high → refresh → final peak
  • Fix weak transitions or unnecessary dips.
Experiment Instead of Copying
  • Create your own tension variations, unique transitions, or surprising arrangement decisions.
  • The goal is to understand the principles deeply enough to break the rules intentionally.
Get the Full Book

These concepts come from The Addiction Formula by Friedemann Findeisen. The full book goes much deeper — highly recommended.

📗 Paperback — World of Books (~$13.68) 📗 Paperback — Better World Books (~$24.54) 🎧 Audiobook — Google Play ($25.95) 📗 Barnes & Noble
Suno Hacks & Techniques

Hard-won techniques from the Suno community. Use these alongside your generated prompt to get closer to the sound you actually want.

🎸 Chord Hacks
Method 1 — Text-Only Prompt Techniques
Hit-or-Miss · Quick to Try

Use Custom Mode (toggle it on when creating a song) to separate Style and Lyrics. This prevents Suno from vocalizing your chords.

Label it explicitly Most Recommended
Style: instrumental trance in A minor, uplifting chord progression Lyrics: Chord progression: [Am] [F] [G] [Em]
Embed chords directly in lyrics
Style: [your genre + key + mood] Lyrics: [Am] this is the [F] start of the [C] verse [G] now
The [Chords:] tag hack Community · Inconsistent
[Chords: |Am|-|F|-|C|-|G|]

Pipes and dashes separate chords.

Descriptive phrasing in Style
"in A minor with chord progression Am–F–G–Em" "use I–V–vi–IV progression, strictly follow the chords"
💡 Tips for better text results
  • Add genre/era + mood + BPM — e.g. "melancholic neo-soul, jazz chords, 78 BPM"
  • Be repetitive and specific: "chord progression Am F G Em throughout the entire song, no deviations"
  • Generate multiple times — Suno is stochastic. Lower Weirdness if available.
  • Works okay for simple common progressions but rarely locks in complex ones perfectly.
⚡ Technique Hacks
2. Meta Tags & Structure Tags
Forces proper songs every time

Put these in the Lyrics box (Custom Mode). Suno treats anything in [brackets] as instructions, not lyrics.

Must-use tags:
[Verse 1] / [Chorus] / [Bridge] / [Outro] / [Instrumental Break] [Energy: Low] → [Add Tension] → [Energy: High, Explosive]
Tag stacking (3–5 lines at start of a section):
[Verse 1] [Mood: Melancholic, Reflective] [Energy: Low, Sparse] [Instrumentation: Solo acoustic guitar, distant reverb] [Vocal: Soft, breathy, intimate] Your first line of lyrics here...
💡 Pro tip
  • Stack tags before each section for maximum control over how each part sounds.
  • Use [Instrumental Break] to force a solo or pause with no vocals.
  • Use [Fade Out] or [Abrupt End] to control endings.
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Claude API Key (optional)

Powers Lyric Analysis, AI Chord Suggestions, and Prompt Refinement. You supply your own key — it never leaves your device. Get one free at console.anthropic.com

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Install on iPhone (iOS)

Open this page in Safari → tap the Share button (box with arrow) → "Add to Home Screen." Music Architect installs like a native app — no App Store needed.

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Install on Android

Open in Chrome → tap the three-dot menu → "Add to Home Screen" or "Install App."

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Your Data

Everything stays in your browser. No account, no server, no cloud. Your lyrics and settings are saved locally on your device.

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