I–V–I–IV–V–I in A♭ Major
Pattern: I – V – I – IV – V – I
Chords: A♭ – E♭ – A♭ – D♭ – E♭ – A♭
Chord Breakdown
| Numeral | Chord | Type | Function |
|---|---|---|---|
| I | A♭ (details) | major | Tonic |
| V | E♭ (details) | major | Dominant |
| I | A♭ (details) | major | Tonic |
| IV | D♭ (details) | major | Subdominant |
| V | E♭ (details) | major | Dominant |
| I | A♭ (details) | major | Tonic |
Harmonic Analysis
This progression moves through A♭ (Tonic) → E♭ (Dominant) → A♭ (Tonic) → D♭ (Subdominant) → E♭ (Dominant) → A♭ (Tonic).
A symmetrical period structure typical of Baroque keyboard music, establishing the tonic with a half cadence before a full cadential close. This harmonic blueprint appears in dance movements, preludes, and inventions.
Song Examples
- Minuet in G Major, BWV Anh. 114 — Christian Petzold
- Invention No. 1 in C Major — J.S. Bach