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D♭ major: scale and chords
The D♭ major scale, its seven chords and the keys that mix with it, with a loop in D♭ major that plays right here. Move it a semitone, then hum over it.
D♭ major: five black keys. Mika plays the loop at 123 BPM and leaves the humming to you.Four chords of D♭ major over drums and bass, 123 BPM.
The D♭ major scale
D♭ E♭ F G♭ A♭ B♭ C
Five flats: D♭ E♭ G♭ A♭ B♭; five black keys on a piano (D♭ E♭ G♭ A♭ B♭). Also written as C♯ major, with seven sharps. Whole and half steps: W W H W W W H.
The chord on the fifth degree, A♭7, pulls back to D♭.
In Hz, from the keynote in octave 4: D♭4 277.2 · E♭4 311.1 · F4 349.2 · G♭4 370.0 · A♭4 415.3 · B♭4 466.2 · C5 523.3
The chords in D♭ major
Tap a chord to hear it.
| Degree | Chord | Notes | Seventh | Bass, Hz |
|---|---|---|---|---|
| I | D♭ F A♭ | D♭maj7 | D♭2 69.3 | |
| ii | E♭ G♭ B♭ | E♭m7 | E♭2 77.8 | |
| iii | F A♭ C | Fm7 | F2 87.3 | |
| IV | G♭ B♭ D♭ | G♭maj7 | G♭2 92.5 | |
| V | A♭ C E♭ | A♭7 | A♭2 103.8 | |
| vi | B♭ D♭ F | B♭m7 | B♭2 116.5 | |
| vii° | C E♭ G♭ | Cm7♭5 | C2 65.4 |
The loop plays I–V–vi–IV: D♭ A♭ B♭m G♭.
Keys that mix with D♭ major
On the Camelot wheel D♭ major is 3B (Open Key 8d). Tracks in these keys mix without a clash:
- 3A B♭ minor relative minor, the same seven notes
- 2B F♯ major one step down
- 4B A♭ major one step up
- 5B E♭ major two steps up, the energy boost
Same keynote, the other mode: C♯ minor (12A), three notes apart.
Where D♭ major sits
| Open strings | In D♭ major | Keynote on an open string |
|---|---|---|
| Guitar E A D G B E | 0 of 6 | – |
| Bass E A D G | 0 of 4 | – |
| Violin G D A E | 0 of 4 | – |
| Viola C G D A | 1 of 4 | – |
| Cello C G D A | 1 of 4 | – |
| Ukulele G C E A | 1 of 4 | – |
Choir parts (soprano C4–G5, alto G3–D5, tenor C3–G4, bass F2–D4, where two part-writing guides agree): D♭4–D♭5 fits the soprano and alto parts; D♭3–D♭4 fits the tenor and bass parts. Find your own range.
As a sub or an 808, the keynote is D♭1 at 34.6 Hz, or D♭2 at 69.3 Hz an octave up. Tune an 808 to D♭.
What plays
Drums, an organ bass and a pluck, the Brumm app's own sounds, four bars at 123 BPM, one chord per bar. The arrows move bass and chords a semitone; the drums stay.
Then hum over it
The hum button opens Brumm with a short line in the key over a beat. Hum yours and it becomes an instrument. No account, no upload.
Sources
Scales and chords: Open Music Theory, musictheory.net. Camelot, Open Key: Mixed In Key, Mixgraph. Open strings: Wikipedia. Choir parts: Open Music Theory, Geneseo. Hz: A4 = 440 Hz, ISO 16.
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