I–♭VII–I in F Major
Pattern: I – ♭VII – I
Chords: F – E♭ – F
Chord Breakdown
| Numeral | Chord | Type | Function |
|---|---|---|---|
| I | F (details) | major | Tonic |
| ♭VII | E♭ (details) | major | Subtonic |
| I | F (details) | major | Tonic |
Harmonic Analysis
This progression moves through F (Tonic) → E♭ (Subtonic) → F (Tonic).
Using the flat seventh chord borrowed from the Mixolydian mode, this progression creates a gritty, bluesy slide effect. The ♭VII adds a raw, rebellious quality that defines blues rock.
Song Examples
- Sympathy for the Devil — The Rolling Stones
- Whole Lotta Love — Led Zeppelin