I–IV–V–I in B♭ Major
Pattern: I – IV – V – I
Chords: B♭ – E♭ – F – B♭
Chord Breakdown
| Numeral | Chord | Type | Function |
|---|---|---|---|
| I | B♭ (details) | major | Tonic |
| IV | E♭ (details) | major | Subdominant |
| V | F (details) | major | Dominant |
| I | B♭ (details) | major | Tonic |
Harmonic Analysis
This progression moves through B♭ (Tonic) → E♭ (Subdominant) → F (Dominant) → B♭ (Tonic).
The I–IV–V–I progression is one of the most fundamental harmonic patterns in Western music. It establishes a key through subdominant and dominant motion before resolving home, creating a satisfying sense of closure. This cadential pattern has been the backbone of hymns, folk songs, and pop hits for centuries.
Song Examples
- Twist and Shout — The Beatles
- Wild Thing — The Troggs
- La Bamba — Ritchie Valens