Chord Progression Trainer

Learn the progressions behind pop, jazz, blues, worship, cinematic, and songwriter-friendly music. Hear them, build them, quiz yourself, and understand the Roman numerals behind every chord.

Score0Quiz points
Streak0Correct in a row
Learned0Progressions played
Level1Beginner

Progression Library

Tap a progression to hear how Roman numerals become chords.

0 sets

Now Learning

Choose a progression to begin.

Roman Numeral Logic

Roman numerals show each chord’s role inside a key. Uppercase usually means major, lowercase means minor, and ° means diminished.

Chords in KeyC major

Progression Builder

Create your own loop with Roman numerals.

Major Key Palette
Minor / Borrowed Palette
Your Timeline
Tap chords from the palettes to add them here.

Saved Ideas

Locally saved progressions.

Quiz Mode

Train your ear and theory together.

Mixed

Press New Question to start.

You can replay audio when the question includes sound.

Audio Cues

Tips for recognizing common movements.

I–V–vi–IV

Bright start, strong lift to V, emotional drop to vi, then warm IV resolution.

ii–V–I

Jazz pull: pre-dominant ii, dominant V, and home I. Notice the smooth tension release.

12-Bar Blues

Repeating I–IV–V. Feels like a question, answer, and turnaround.

Cinematic Minor

Minor i combined with major VI or III creates a heroic, epic sound.

Chord Sandbox

Hear individual chords and visualize their notes.

Daily Challenge

One curated ear-training test a day.

Today

Today’s Sequence

Listen and choose the progression you hear.

Today’s Lesson

Connect your ear to the theory.

Achievements

Badges unlocked by interacting with the app.

Your Stats

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Total Plays

0 progressions or chords played.

Quiz Accuracy

0% from 0 questions.

Daily Streak

0 challenges completed in a row.

Next Step

Start with I–V–vi–IV in C major.

Tip: Roman numerals are reusable patterns. Change the key at the top and the same progression instantly becomes a different set of chord names.