Chord · 6ths & Adds

C♯m6/9/7 — C♯ Minor 6/9 / Major 7th

C♯m6/9/7 is the C♯ minor 6/9 / major 7th chord. It is built on the root C♯ with minor 3rd (E), perfect 5th (G♯), major 6th (A♯), major 7th (B♯) and major 9th (D♯) above it — the formula 1 ♭3 5 6 7 9, sounding the notes C♯ E G♯ A♯ B♯ D♯. On the piano it sits at C# (octave 4) and above in the library's voicing; the same 6 notes in any octave are still C♯m6/9/7.

Root
C♯
Quality
Minor 6/9 / Major 7th
Formula
1 ♭3 5 6 7 9
Notes
C♯ E G♯ A♯ B♯ D♯

On the keyboard

C♯m6/9/7 on the piano keyboard: C♯ E G♯ A♯ B♯ D♯C♯EG♯A♯B♯D♯

The notes of C♯m6/9/7

DegreeNoteInterval from the rootPitch
1C♯rootC♯4
♭3Eminor 3rdE4
5G♯perfect 5thG♯4
6A♯major 6thA♯4
7B♯major 7thB♯4
9D♯major 9thD♯5

Other 6ths & adds on C♯

D♭6C♯m6D♭6/9C♯m6/9D♭add2D♭add4D♭add9D♭add11D♭add♯11D♭6sus4C♯m(add9)C♯m(add11)D♭6/9♯11D♭add9♯11C♯m6/7C♯m6/11C♯m6♯11C♯m6/9/11C♯m6/9♯11

Minor 6/9 / Major 7th chords on every root

Cm6/9/7Dm6/9/7E♭m6/9/7Em6/9/7Fm6/9/7F♯m6/9/7Gm6/9/7G♯m6/9/7Am6/9/7B♭m6/9/7Bm6/9/7

Part of the chord reference. See also the scales and the keys.