C♯maj7
C# Major 7th — lush and at rest — the natural seventh adds shimmer without demanding resolution.
The keys
C♯ – E♯ – G♯ – B♯
What's inside C♯maj7
| Note | Interval from root | Degree |
|---|---|---|
| C♯ | Root | 1 |
| E♯ | Major 3rd | 3 |
| G♯ | Perfect 5th | 5 |
| B♯ | Major 7th | 7 |
Inversions
| Position | Keys (low → high) |
|---|---|
| Root position | D♭4 – F4 – A♭4 – C5 |
| 1st inversion | F4 – A♭4 – C5 – D♭5 |
| 2nd inversion | A♭4 – C5 – D♭5 – F5 |
| 3rd inversion | C5 – D♭5 – F5 – A♭5 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | D♭2 – C3 |
| Right (colour) | F4 – A♭4 |
Where C♯maj7 lives
As the ii chord
C♯maj7 → G♭7 → Bmaj7
Minor-family sevenths live on the ii — this is the move they were born for.
Stepwise colour
D♭ → C♯maj7 → E♭m7
Used as a passing colour between neighbouring chords.
Put C♯maj7 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →