D♭ Dorian Mode
Notes in the D♭ Dorian Mode
| Degree | Name | Note | Frequency (A=440) |
|---|---|---|---|
| 1 | Tonic | D♭ | 277.183 Hz |
| 2 | Supertonic | E♭ | 311.127 Hz |
| ♭3 | Minor Mediant | E | 329.628 Hz |
| 4 | Subdominant | G♭ | 369.994 Hz |
| 5 | Dominant | A♭ | 415.305 Hz |
| 6 | Major Submediant | B♭ | 466.164 Hz |
| ♭7 | Subtonic | B | 493.883 Hz |
Interval Pattern
| Step | Interval | Semitones | From Note | To Note |
|---|---|---|---|---|
| 1 | Whole Step (W) | 2 | D♭ | E♭ |
| 2 | Half Step (H) | 1 | E♭ | E |
| 3 | Whole Step (W) | 2 | E | G♭ |
| 4 | Whole Step (W) | 2 | G♭ | A♭ |
| 5 | Whole Step (W) | 2 | A♭ | B♭ |
| 6 | Half Step (H) | 1 | B♭ | B |
| 7 | Whole Step (W) | 2 | B | D♭ |
Chords Built on Scale Degrees
| Degree | Note | Chord | Quality |
|---|---|---|---|
| 1 | D♭ | D♭ minor | minor |
| 2 | E♭ | E♭ minor | minor |
| ♭3 | E | E | major |
| 4 | G♭ | G♭ | major |
| 5 | A♭ | A♭ minor | minor |
| 6 | B♭ | B♭ diminished | diminished |
| ♭7 | B | B | major |
Key Signature
5 ♭ — The D♭ key signature uses B♭, E♭, A♭, D♭, G♭.
D♭ Dorian Mode in Practice
The D♭ Dorian Mode uses the key signature of 5 flats (B♭, E♭, A♭, D♭, G♭). Db major has five flats and is enharmonically equivalent to C# major. It has a warm, veiled quality and appears in Romantic piano literature and jazz compositions. On guitar, D♭ positions offer comfortable transposing instrument keys for this scale.
The Dorian mode is a minor scale with a raised 6th degree, giving it a slightly brighter quality than natural minor. It is the characteristic sound of jazz and Celtic music. When played starting on D♭, the 7 notes are D♭, E♭, E, G♭, A♭, B♭, B. In this key the signature has 5 flats (B♭, E♭, A♭, D♭, G♭). Db major uses all five black keys of the piano, placing the hand naturally on the raised keys and creating a legato, connected feel. Modern R&B and neo-soul producers often write in Db because keyboard players find the five-flat hand position physically comfortable for extended improvisations.
Tuning Frequencies Across Temperaments
Frequencies shown at A=440 Hz. View full temperament data for any note.
| Note | Equal Temp. | Pythagorean | Just Intonation |
|---|---|---|---|
| D♭ | 277.183 Hz | 278.437 Hz | 279.067 Hz |
| E♭ | 311.127 Hz | 309.026 Hz | 313.951 Hz |
| E | 329.628 Hz | 330.001 Hz | 327.032 Hz |
| G♭ | 369.994 Hz | 371.251 Hz | 367.911 Hz |
| A♭ | 415.305 Hz | 417.657 Hz | 418.601 Hz |
| B♭ | 466.164 Hz | 463.538 Hz | 470.926 Hz |
| B | 493.883 Hz | 495.000 Hz | 490.548 Hz |
Related Scales
Transposing Instruments: D♭ Dorian Mode
D♭ is a natural key for B♭ instruments (trumpet, clarinet, tenor sax), which sound a major second lower than written. B♭ instruments reading in C produce D♭ concert pitch. E♭ instruments (alto sax, baritone sax) reading in D♭ sound a major sixth lower.