I–I–I–I–IV–IV–I–I–V–IV–I–V in F Major
Pattern: I – I – I – I – IV – IV – I – I – V – IV – I – V
Chords: F – F – F – F – B♭ – B♭ – F – F – C – B♭ – F – C
Chord Breakdown
| Numeral | Chord | Type | Function |
|---|---|---|---|
| I | F (details) | major | Tonic |
| I | F (details) | major | Tonic |
| I | F (details) | major | Tonic |
| I | F (details) | major | Tonic |
| IV | B♭ (details) | major | Subdominant |
| IV | B♭ (details) | major | Subdominant |
| I | F (details) | major | Tonic |
| I | F (details) | major | Tonic |
| V | C (details) | major | Dominant |
| IV | B♭ (details) | major | Subdominant |
| I | F (details) | major | Tonic |
| V | C (details) | major | Dominant |
Harmonic Analysis
This progression moves through F (Tonic) → F (Tonic) → F (Tonic) → F (Tonic) → B♭ (Subdominant) → B♭ (Subdominant) → F (Tonic) → F (Tonic) → C (Dominant) → B♭ (Subdominant) → F (Tonic) → C (Dominant).
The 12-bar blues is the most iconic chord progression in American music. This 12-measure form built on the I, IV, and V chords has been the foundation of blues, rock and roll, and jazz for over a century.
Song Examples
- Sweet Home Chicago — Robert Johnson
- Hound Dog — Elvis Presley
- Rock Around the Clock — Bill Haley & His Comets