Exports the active Composer Lane when chords are present.
FlowHarmony
How do you want to start your idea?
Start from a musical idea and build it into a song in the Composer. You can also upload a WAV or MP3 and let ChordMini detect the progression for review.
Upload audio, review the detected chords, then send the progression to Composer when it is ready.
Selected Chord ▸
Relationship:
Selected ·
Close ·
Smooth ·
Tension ·
Outside
Use Harmony Compass as a guide, not a rule.
Pick a chord, then add it to your lane.
Cargando Chord Universe...
ChordMini
ChordMini
Upload a WAV or MP3 to detect its chord progression.
Remote audio analysis is not enabled in this release.
Local development tools. These controls are never mounted on the production host.
Choose an MP3 to begin local analysis.
Export
Prepare the musical output
Review the active progression, choose the clean or groove path, and use the player bar when the lane is ready.
Uses the same lane with the selected groove pattern.
Studio overview
Studio
Studio overview
- Project
- Untitled session
- Key / scale
- C major
- BPM
- 90 BPM
- Progression
- No chords in lane
ChordMini
- Input
- No file selected
- Analysis
- Starting analysis service…
- Review
- 0 chords
- Destination
- Not ready
Composer lane
- Active progression
- No chords in lane
- Sections
- 0 sections
- Duration
- 0 beats
Groove editor
- Style
- None
- Groove
- Default
- Swing
- Neutral
- Pattern
- Editor ready
Harmony suggestions
- Selected chord
- No chord selected
- Suggestions
- Close, smooth, and tension paths
- Use
- Choose a chord from the Universe
Topline lab
- Progression
- No chords in lane
- Lab
- Live Topline Lab ready
- Take
- Sing, record and review use existing controls
Export output
- Formats
- Basic MIDI / Groove MIDI
- Status
- Waiting for Composer Lane
- Source
- Active Composer Lane
Settings
- Language
- English / Español
- MIDI input
- Choose a MIDI input device
- Interface
- Comfortable or compact density
♪
No chord selected
Play a chord or select one from the Universe.
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Preview this chord, then add it to your Composer Lane.
Voicing:
Use Add to Lane to start building your progression.
PIANO PREVIEW
Settings
Manage language, MIDI input and interface preferences.
Language
Choose the app language.
MIDI Input
Choose the MIDI input device used for chord detection.
Status
MIDI
Interface
Adjust how much space the interface uses.
Live Topline Lab
Experimental / Partial
Melodic guide for singing over the current progression
Golden path
Compose chords, sing a short idea, review what was captured, keep useful notes in Melody Sketch, then export MIDI/JSON.
Compose
Build your chords
Sing
Record or test a vocal idea
Review
Inspect what was captured
Sketch
Keep useful notes
Export
Send to MIDI/JSON
1
Sing live
Use the live roll to see your pitch against the active chord.
Key—
Scale—
Chord—
Roman—
Stable Notes
Most stable notes to land on.
—
Color Notes
Good passing or expressive notes.
—
Next Note Suggestions
- No active chord. Pick a chord or build a progression.
Melody Sketch
Add notes from suggestions to sketch a topline.
Progression changed - clear sketch if it no longer matches.
No melody notes yet.
4 Detailed harmonic guidance Advanced note roles and style mode Show / Hide
Harmonic Guidance
Chord
--
Note
--
Role
--
Detail
--
Style Mode
2 Record & review takes Capture your voice, keep takes and compare ideas Show / Hide
Capture / Sing
Start live pitch, then record a local take.
Voice Input
No audio is recorded or uploaded.
—
—
— Hz
—
—
Record Take
Audio stays in your browser.
Record a local take
When you press Start Recording, your microphone is captured locally for a short take. Nothing is uploaded or automatically saved.
- ✓ Audio stays on this device. Nothing is uploaded.
- ✓ Nothing is saved unless you choose to keep it.
Take captured
—
Review
Play, save and inspect takes after recording.
Temporary Takes
Takes are temporary and will be lost on reload.
Recorded takes will appear here during this session.
Saved locally
Local only - not uploaded
No saved local takes yet.
—
3 Convert to melody Analyze a take and send notes to Melody Sketch Show / Hide
Convert
Turn selected take notes into Melody Sketch notes.
Take-to-Melody Draft
Local analysis only. No upload.
Select a take and press Analyze to generate a melody draft.
Analyze a local take
When you press Analyze locally, this take is decoded in your browser to estimate note pitches and timing. Nothing is uploaded or automatically saved. Results may be imperfect.
Take:
—
- ✓ No audio is uploaded.
- ✓ Results may be imperfect — review them before using.
Detecting melody…
Draft generated.
Review suggested notes before using them.
Edit note blocks for Melody Sketch; raw audio is not changed.
Notes will be appended to your Sketch. Existing notes are preserved.
—
4 Advanced tools Import, export, diagnostics and experiments Show / Hide
Audio diagnostics
Check device support without changing your takes.
Audio Capability Check
This checks your microphone/audio capabilities. It does not record or send audio.
Visual guidance-
Recording-
Live audio monitor not enabled-
Autotune not available in this version-
- Secure context
- -
- MicSession
- -
- Microphone
- -
- Input device
- -
- Sample rate
- -
- Latency
- -
Technical details
- sampleRate
- -
- baseLatency
- -
- latencyCategory
- -
- features
- -
- risk
- -
- reasons
- -
Developer details
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Experimental
Secondary prototypes and future-facing tools.
Experimental Dry Monitor
Desktop-only
Experimental
Off
- Use headphones.
- This does not tune your voice.
- This does not change recordings.
- Turn off immediately if you hear feedback.
- Visual guidance remains available without the monitor.
Monitor on - use headphones.
Post-Take Correction
Experimental
Off by default
Post-take correction prototype is disabled in this build.
- Corrects melody draft, not recorded voice.
- Review suggestions before adding them.
- Accepted notes are appended to Melody Sketch.
- Original take is never changed.
- No audio, microphone, network or storage.
- Suggestions only - your takes and Melody Sketch are never changed automatically.
Demo data (no take loaded).
Melody file actions
Import, export or download Melody Sketch files.
MIDI Export
Download your Melody Sketch as a local MIDI file.
No melody notes to export.
Notes
0
BPM
120
Time signature
4/4
PPQ
480
Default octave
4
Experimental: drag may work in some DAWs. Download MIDI is the reliable fallback.
Local MIDI file only
No audio included. Nothing is uploaded.
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Future phases (not implemented)
- Phase 2 Manual melody input
- Phase 4 Take recording prototype
Voice input, pitch detection and recording are future phases.
Tracks
Chords
Groove
Melody
Visual lanes — playback stays on the transport bar.
Groove from Global Style
Groove: Default
Play it straight, add groove, export MIDI, or edit notes in Roll.
Composer Lane is empty
Select a chord from the Universe, then press + Add to Lane.
Use Harmony Compass to choose a Close, Smooth or Tension path.
Use Harmony Compass to choose a Close, Smooth or Tension path.
VOICING VIEW
PIANO ROLL
GROOVE EDITOR
VISUAL EDIT
Add chords to Composer Lane
Groove Editor
Editing current groove