TRIAL Free: All genres  ·  30 compositions  ·  No Dream Mode (genres lock after limit)   |   Full version: All genres  ·  Unlimited  ·  Dream Mode
Skip to arrangement grid
Ctrl+Enter to save  ·  Escape to cancel
✏ Edit prompt
⎘ Copy clip
⎗ Paste here
✕ Delete clip
Keyboard Shortcuts ✕
Clips
ClickSelect clip
Dbl-click cellOpen prompt editor
Right clickContext menu
Ctrl + VPaste to hovered cell
Drag clipMove to another cell
DeleteDelete selected clip
Intensity curves
Drag pointMove freely (X+Y)
Shift + DragY-axis only (locks X)
Dbl-click curveAdd point
Click + DeleteRemove point
Right clickRemove point
Tracks
MMute selected track
SSolo selected track
SpacePlay / Stop transport
GOpen / close genres
Global
Ctrl+Shift+CCopy full prompt
Ctrl+FSearch clips
Ctrl+IAI suggestions
Ctrl+EExport Markdown
↑↓←→Navigate cells
EnterEdit focused cell
Ctrl+Shift+PAudio preview play/stop
PPreview audio
HHumanize curves
Ctrl + ZUndo
Ctrl + YRedo
FFullscreen curves
EscapeCancel / deselect
?This panel
Fill Arrangement ✕
Pick an emotion — fills all cells with a starting arrangement.
🔥
Rage & Power
Destruction, fury, no mercy
🌧️
Pain & Loss
Grief, melancholy, what remains
⚔️
Epic & Triumph
Heroism, victory, greatness
🌑
Darkness & Mystery
Foreboding, threat, what lurks
🕊️
Fragile Hope
Dim light, redemption, beauty herida
⚡
Chaos & Rupture
Dissonance, collapse, the unpredictable
How should it feel?
One click. Your full arrangement appears instantly.
🔥
Rage
Destruction, fury, no mercy
🌧️
Grief
What remains when something leaves
⚔️
Epic
Heroism, victory, greatness
🌑
Darkness
Something lurks. You cannot stop.
🕊️
Hope
Dim light, redemption, beauty
⚡
Chaos
Dissonance, collapse, rupture
Skip intro →
Ideas✕
Suno Prompt ● updating
Settings
🎵 Local Generation — AceStep
Local Gradio server · github.com/ace-step/AceStep · No API key needed — runs locally
How many seconds AceStep generates · 15–240 · Default: 30
Suno / Udio: No public API available. Use Copy + Open — the prompt is copied to your clipboard and the site opens instantly.
Fastest workflow, always works.
✦ AI Director — Anthropic Claude DISABLED
🔒 Cloud AI is turned off in this privacy build — your composition never leaves this machine. The key field below is inert. Use AceStep (local) or send to Suno/Udio by copy & paste instead.
Used for AI clip suggestions & arrangement analysis. Get your key at console.anthropic.com
🔒 Stored only in this browser. In this build it is never sent anywhere — cloud AI egress has been removed.
⚙ Preferences
🗑 Local data
A real instrument with an advanced collaborator — not a restricted demo.
Generating…
Choose a Template
Each template sets instruments, clips, tempo and key automatically
ADVANCED MODE ▾
Advanced Mode
Simple Mode
emotional field
Technical
Tempo
95
Slow Fast DARK
Key
Tragic, powerful · classical fate-and-struggle archetype
Scale
Free and undefined · no harmonic colour
Genre
🦇 Gothic Symphonic ▾
QUICK ACTIONS
TRIAL
Dream Mode and unlimited compositions in the full version.
✦ Get full version ▶ Hear what it makes
BPM 95 C Minor Gothic Symphonic
1
Pick Emotion
Choose the main feeling
›
2
Build Your Music
Arrange and organise sections
›
3
Adjust & Customize
Modify intensity and parameters
›
4
Generate Your Music
Export your masterpiece
Zoom 100%
STRUCTURE
Intensity
dbl-click = add point · Delete = remove · Shift+drag = Y-axis only
Instrument
+ Add Section
Drag here to add a new section
Chat GPT
NO KEY
⋄
No selection
Click a cell in the sequencer
or a section card
to inspect it here
ChatGPT may make mistakes. Verify important information.
Details
Prompt
⋄
Click a cell
to inspect.

Double-click to edit.
Overview
0:00 / 4:00
95 BPM
C Minor
6 sections 18 clips
● SAVED
— material/spatial/temporal/residue/oblique EMOTIONAL_COLORS corpus -->
EXPORT & GENERATE ✕
Send to platform
🎵
Generate in Suno
Copies prompt and opens suno.com/create
→
🎶
Generate in Udio
Copies prompt and opens udio.com/create
→
⚡
Generate with AceStep
Local generation — requires AceStep at localhost:7860
Save project
📁
JSON Project
Saves the full arrangement for re-import
🖼
PNG Image
Visual snapshot of the full arrangement
📄
Prompt TXT
Just the generated prompt text
—
Ready
VOL
1×

The full arrangement is encoded in this URL. Anyone with the link can open it.

🔍 Esc
Start typing to search all clips…
↑↓ navigate · Enter select · Esc close · Ctrl+F to open
🎹 Chord Progressions
🔗 ✕
✦ AI Musical Director
✦ Suggest clips
📊 Analyze
✏ Refine clip
Click "Generate" to get AI suggestions
SYMPHONY
OF DARKNESS
SIMPLE MODE ▾
Simple Mode
Advanced Mode
INTENSITY
Overall intensity
50%
MODERATE
TEMPO
General tempo
95
BPM
SLOW DARK FAST
KEY
Key signature
Tragic, powerful · fate, struggle, darkness
GENRE
Musical genre
🦇 Gothic Symphonic ▾
ENERGY CURVE ⓘ
Drag points to shape the curve · double-click empty area to add a point · right-click a point to remove it
✦ Assistant
Chat GPT
NO KEY
SECTION —
Suggestions
✦
Click a section card then
hit Suggest for AI ideas
Prompt Preview
Choose an emotion…
Prompt Quality
⭐⭐⭐⭐⭐
EXCELLENT
ChatGPT may make mistakes. Verify important information.
0:00 / 4:00
Export
HOW SIMPLE MODE WORKS
+
Choose your emotion – sets the overall mood.
+
Adjust intensity – control how strong it feels.
+
Describe each section – what happens musically.
+
Draw the energy curve – shape the emotional arc.
+
Generate music – AI creates your piece.
CUSTOMIZABLE SECTIONS
You have 4 sections by default, but you can add as many as you need.
· DRAG TO REORDER· EDIT NAME· DELETE· ADJUST CURVE
SWITCH MODES WITHOUT LOSING ANYTHING
The same project, different views.
SIMPLE MODE
✓ 4 default sections
✓ Large visual cards
✓ Direct editing
✓ Simple curve
→
ADVANCED MODE
· Instruments per track
· Full matrix
· Automation
· Total granularity
→ NOT JUST MUSIC. ✦ YOUR STORY, COMPOSED. ←
OpenAI API Key Disabled
🔒 Cloud AI is turned off in this privacy build — nothing you enter here is sent anywhere, and the AI suggestion features are inert. Your work stays on this machine. Use AceStep (local) or Suno/Udio (copy & paste) instead.
Get your key at platform.openai.com/api-keys. Recommended model: gpt-4o-mini (fast & cost-effective).
⌕
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