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

Formula: W-H-W-W-W-H-W
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.