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C♯ minor: scale and chords
The C♯ minor scale, its seven chords and the keys that mix with it, with a loop in C♯ minor that plays right here. Move it a semitone, then hum over it.
A semitone up and C♯ minor becomes D minor. Mika moves bass and chords, never the drums.Four chords of C♯ minor over drums and bass, 123 BPM.
The C♯ minor scale
C♯ D♯ E F♯ G♯ A B
Four sharps: C♯ D♯ F♯ G♯; four black keys on a piano (C♯ D♯ F♯ G♯). Whole and half steps: W H W W H W W.
Harmonic minor raises the seventh to B♯: the chord on the fifth degree turns major (G♯, G♯7) and pulls back to C♯.
In Hz, from the keynote in octave 4: C♯4 277.2 · D♯4 311.1 · E4 329.6 · F♯4 370.0 · G♯4 415.3 · A4 440.0 · B4 493.9
The chords in C♯ minor
Tap a chord to hear it.
| Degree | Chord | Notes | Seventh | Bass, Hz |
|---|---|---|---|---|
| i | C♯ E G♯ | C♯m7 | C♯2 69.3 | |
| ii° | D♯ F♯ A | D♯m7♭5 | D♯2 77.8 | |
| III | E G♯ B | Emaj7 | E2 82.4 | |
| iv | F♯ A C♯ | F♯m7 | F♯2 92.5 | |
| v | G♯ B D♯ | G♯m7 | G♯2 103.8 | |
| VI | A C♯ E | Amaj7 | A2 110.0 | |
| VII | B D♯ F♯ | B7 | B2 123.5 |
The loop plays i–VI–III–VII: C♯m A E B.
Keys that mix with C♯ minor
On the Camelot wheel C♯ minor is 12A (Open Key 5m). Tracks in these keys mix without a clash:
- 12B E major relative major, the same seven notes
- 11A F♯ minor one step down
- 1A G♯ minor one step up
- 2A E♭ minor two steps up, the energy boost
Same keynote, the other mode: D♭ major (3B), three notes apart.
Where C♯ minor sits
| Open strings | In C♯ minor | Keynote on an open string |
|---|---|---|
| Guitar E A D G B E | 4 of 6 | – |
| Bass E A D G | 2 of 4 | – |
| Violin G D A E | 2 of 4 | – |
| Viola C G D A | 1 of 4 | – |
| Cello C G D A | 1 of 4 | – |
| Ukulele G C E A | 2 of 4 | – |
Choir parts (soprano C4–G5, alto G3–D5, tenor C3–G4, bass F2–D4, where two part-writing guides agree): C♯4–C♯5 fits the soprano and alto parts; C♯3–C♯4 fits the tenor and bass parts. Find your own range.
As a sub or an 808, the keynote is C♯1 at 34.6 Hz, or C♯2 at 69.3 Hz an octave up. Tune an 808 to C♯.
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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