♭II–I in D Major
Pattern: ♭II – I
Chords: E♭ – D
Chord Breakdown
| Numeral | Chord | Type | Function |
|---|---|---|---|
| ♭II | E♭ (details) | major | Supertonic |
| I | D (details) | major | Tonic |
Harmonic Analysis
This progression moves through E♭ (Supertonic) → D (Tonic).
The tritone substitution replaces the dominant V with a chord a tritone away, creating a smooth half-step resolution to the tonic. This two-chord motion is one of the most distinctive sounds in jazz harmony.
Song Examples
- The Girl from Ipanema — Antonio Carlos Jobim
- Round Midnight — Thelonious Monk