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Chord Progression

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Difficulty

I–IV–V–I · I–V–vi–IV (pop) · I–vi–IV–V — major keys.

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Ready when you are

Pick a difficulty, then start the session. Answer as many as you like — your streak saves locally.

Train your ear to recognise common chord progressions by their shape — I–V–vi–IV pop, ii–V–I jazz, the 12-bar blues, and the rest of the family. Hear the path, name the path.

How to practice

  1. Beginner pool first, six chords per prompt. Make sure I–V–vi–IV vs I–vi–IV–V is rock-solid before adding ii–V–I.
  2. Don't worry about the literal key. Every prompt randomises the key root; you're training pattern recognition, not key recognition.
  3. Audition the candidates. Tap ▸ on a chip to hear what each progression sounds like in the prompt's key — instant A/B against what's playing.
  4. Sing the bass line. Even silently. The bass is the spine of every progression and the easiest cue to track at first.

The progressions in this trainer

Difficulty Pool
Beginner I–V–vi–IV · I–vi–IV–V · I–IV–V
Intermediate adds ii–V–I · I–V–vi–iii–IV · vi–IV–I–V
Advanced adds Andalusian (i–VII–VI–V) · ii°–V–i minor · I–vi–ii–V · circle of fifths fragments

The key randomises across major-keys only for Beginner and Intermediate; Advanced opens up to minor keys.

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