Scales and modes fade
You memorize a pattern but lose the context when you change key or mode.
Harmony, Made Visible
Turn every note into clarity.
Real-time harmonic feedback for pianists who want to stop guessing. Circle, staff, and keyboard stay synced to your playing.
- See instantly if a chord is major, minor, or out of key
- Watch key direction shift as you move through progressions
- Track scale mastery across all 12 keys
Not a song trainer - a reactive harmony instrument.
The Problem
Why theory does not stick.
If scales fade, modes blur, and improvisation feels random, feedback is arriving too late.
Chords feel like guesses
Without real-time feedback, it is hard to know what you just played.
Reading stays separate
Staff, circle, and keyboard live in different worlds instead of one view.
The Solution
A reactive harmony instrument that makes theory visible.
Kafka's Kaleidoscope reveals chord quality, key direction, and scale structure the moment you play - not after.
Not a song trainer or DAW
No drip-feed songs, no gamified covers, no timeline editing. The focus stays on live harmonic clarity.
Real-time harmony feedback
Circle, staff, and keyboard stay synchronized so understanding builds through motion.
Demo
Watch harmony shift in real time.
Play C major, pivot to A minor, and the system updates instantly.
One glance shows what your hands just did and what it wants to do next.
- Chord quality updates as you press notes
- Key center shifts are visible, not assumed
- Scale completion stays tracked in the background
Core Benefits
Harmony. Reading. Feedback. Synced.
Three outcomes you feel in every session.
Instant chord clarity
See major, minor, diminished, or out-of-key the moment it happens.
Direction without guessing
The circle shows where harmony is headed so progressions make sense.
Mastery that sticks
Scale completions and grid progress make repetition feel purposeful.
Who It Is For
Players who already practice and want real harmonic clarity.
Built for intermediate and advanced pianists who want theory to finally connect.
Improvisers
Stop improvising in the dark and see why a chord works.
Teachers
Make scale and mode mastery visible during lessons.
Producers
Connect ear, theory, and keyboard without switching tools.
Core Systems
Circle for direction. Staff for reading.
Engine 01
Circle + Orb Harmonic Engine
Chord quality is identified instantly, and the orb responds with energy, motion, and tension. Out-of-key events flash immediately so correction is fast.
Engine 02
Staff + Keyboard Reading Engine
Grand staff, note-name toggles, and exact keyboard mapping stay aligned with the chosen scale and key so reading becomes performance context.
Flow Lanes
Stop guessing what comes next.
Chord labels, scale wins, and harmonic drift appear as flowing lanes so the path is visible.
- Chord history updates live
- Scale completions stack in time
- Out-of-key chords collapse the lane
Completion Reward
A golden cue that makes completion unmistakable.
When a scale run lands clean, the golden orb blooms. It is a visible confirmation that helps the pattern settle and keeps momentum.
- Clear completion signal
- Repetition feels purposeful
- Progress stays noticeable
Full Application
Scale completion across the full widescreen view.
Every system stays visible while completions land in real time.
Keep circle, staff, and grid in one frame while the completion cues fire.
- Widescreen layout keeps all systems aligned
- Completion wins stay visible during long runs
- Designed for focused practice sessions
Scale Explorer
Jump across modes, families, and exotic sets.
Switch scale sets instantly and preview before committing key and mode. Locked core keeps focus, unlocked catalog enables expansion.
Modes
Melodic Minor
Harmonic Minor
Harmonic Major
Pentatonic
Blues + Bebop
Exotic
All Scales
Scale Sets
Vertical scale sets keep the catalog fast.
Scroll families quickly without losing the current key.
Jump between mode families in seconds and keep the focus on playing.
- Instant family swaps
- Mode preview stays anchored
- Less menu time, more practice time
Learning Modes
Analyze, practice, and perform.
Mode 01
Trio View
Circle, staff, and keyboard appear together so harmonic context and reading stay aligned.
Mode 02
Falling Notes Practice
Adjust difficulty and train precision with exact keyboard alignment and timing pressure.
Loop Points
Mark precise in and out points.
Capture the exact bar you want to drill and repeat it instantly.
Set the range, lock the groove, and let the repetition do the work.
- Tap to set in and out markers
- Loop preview before committing
- Perfect for micro-practice
Playback Control
Slow it down. Loop it. Learn it.
Load a MIDI file, scrub the timeline, loop in and out points, and train the exact harmonic section you want.
- Timeline scrub and precise loop markers
- Speed control for micro-training
- File or folder playlist support
Setup
Get started in minutes.
Requirements
- Windows laptop or desktop
- Electric piano or MIDI keyboard
- USB-A to USB-B or MIDI interface
Quick Start
- Connect your keyboard
- Launch the app and select your device
- Pick a scale set and play
Best Use
- Daily 10-minute scale runs
- Loop tough passages in playback
- Track progress over time
Early Feedback
Clarity you can feel in a single session.
Short reactions from early players and teachers.
"Seeing the chord quality live stopped my guesswork immediately."
Pianist"My students stay focused because the feedback is instant."
Teacher"It finally connects the circle to what my hands are doing."
ProducerPricing
Choose your access level
All plans include the full system and ongoing updates.
Monthly
$9.99 / month
Start MonthlyFlexible month-to-month access.
PayPal + Card (Guest Checkout)
Yearly
$80 / year
Unlock Full SystemSave ~33% vs monthly
Best value for committed players.
PayPal + Card (Guest Checkout)
Lifetime
$150 one-time
Lifetime AccessOne payment. Lifetime access.
PayPal + Card (Guest Checkout)
Mac Waitlist
Mac version releases 2026.
Reserve a spot and get notified the moment the Mac build is ready.
Collecting Mac interest...
We only use this to notify you about the Mac release.
FAQ
Quick answers before you dive in.
Do I need a MIDI keyboard?
Yes. Live harmonic feedback requires MIDI input from a keyboard or controller.
Is this a lesson platform?
No. It is a reactive harmony instrument that makes theory visible as you play.
Can I practice with MIDI files?
Yes. Use the playback tools to load files, loop passages, and slow sections down.
What systems are supported?
Windows desktop with MIDI-compatible devices.