See every chord.
Every position.
The interactive copedent visualizer for pedal steel guitar. Understand your instrument like never before.
Pedal steel is uniquely complex. Unlike guitar, where you can see a chord shape and transfer it anywhere, pedal steel requires understanding how each pedal and knee lever transforms individual string pitches—and how those transformations interact with your bar position.
The visualizer shows you every string's current pitch in real time as you toggle pedals and levers and move the bar. No more static copedent charts. No more guessing. Select your bar position, engage your controls, and immediately see the result.
The interface is designed to mirror how you actually look at your instrument—low strings at the bottom, high strings at the top. Whether you're on a 10-string E9, a double-neck, or something custom, the tool adapts to show you exactly what's happening.
At any given bar position with any combination of controls engaged, there are dozens of possible chords available. The tool automatically detects every playable chord and displays them grouped by root note.
See an A major you want to grab? Click it. The visualizer instantly highlights which strings form that voicing. No memorization required—the tool shows you the chord, you learn it by playing it.
This inverts the traditional learning model. Instead of studying a copedent chart and trying to internalize abstract note relationships, you explore interactively. "What can I play right here?" becomes a question with an immediate, visual answer.
Sometimes you need a specific chord and want to know everywhere on the neck it's possible. Maybe you're working out a song and need a Gmaj7 that flows smoothly from your current position. Maybe you're curious how many ways you can voice a C minor.
The Pro search feature calculates every combination of bar position, pedal settings, and lever settings where your target chord exists. Results show you the bar position, which controls to engage, and which strings to grab—sorted however is most useful to you.
Click any result and the visualizer jumps to that configuration. It's like having a complete map of your instrument's harmonic possibilities, searchable in seconds.
The free tier includes standard E9 and C6 templates with common copedent setups—Emmons, Day, and others. For most players learning on a standard rig, that's plenty.
But pedal steel players customize. Your guitar might have a non-standard lever assignment, a modified tuning, or an extra string. Pro unlocks full copedent editing—change which strings a pedal affects, adjust how many semitones each change raises or lowers, retune individual strings, add or remove strings entirely.
The underlying system is pure math: semitone offsets on strings. That means there's no arbitrary limit. A 12-string Universal with 8 pedals works the same as a 10-string E9 with 3. A completely custom tuning you invented works too. If you can build it, the tool can visualize it.
Seeing a voicing is useful. Hearing it connects the visual understanding to your ear. Pro adds audio playback so you can hear what a chord sounds like before you reach for it on your instrument.
Beyond single chords, you can build a preview queue—a sequence of voicings played in order. Add the current configuration to the queue, adjust your settings, add another, and play through the progression.
The audio engine supports smooth pitch bending between steps, mimicking the way pedal steel actually sounds when you transition between chords. It's not a substitute for playing—it's a way to audition ideas and develop your ear for voice leading without picking up the bar.