Chord Progression Builder
Build a chord progression in any key. Pick the degrees — I, vi, IV, V and more — and see the chords, hear them, and try common patterns.
Your progression in C major
C → G → Am → F
Roman numerals: I – V – vi – IV
| # | Degree | Chord | Notes |
|---|---|---|---|
| 1 | I (Tonic) | C | C – E – G |
| 2 | V (Dominant) | G | G – B – D |
| 3 | vi (Submediant) | Am | A – C – E |
| 4 | IV (Subdominant) | F | F – A – C |
How it works: A progression is a walk through the seven diatonic chords of a key. I is home, V pulls back to I, vi is the sad cousin of I — and I–V–vi–IV alone powers thousands of pop songs.
Try next: Progression Finder