I–IV–IV–I in F Major
Pattern: I – IV – IV – I
Chords: F – B♭ – B♭ – F
Chord Breakdown
| Numeral | Chord | Type | Function |
|---|---|---|---|
| I | F (details) | major | Tonic |
| IV | B♭ (details) | major | Subdominant |
| IV | B♭ (details) | major | Subdominant |
| I | F (details) | major | Tonic |
Harmonic Analysis
This progression moves through F (Tonic) → B♭ (Subdominant) → B♭ (Subdominant) → F (Tonic).
Dwelling on the subdominant for two bars in the middle creates a spacious, hymn-like quality. This progression has deep roots in gospel and traditional folk music where simplicity and singability are paramount.
Song Examples
- Amazing Grace — Traditional
- Will the Circle Be Unbroken — Carter Family