C sharp seventh ukulele chord (C#7)
Also written Db7 (D flat seventh)
The seventh chord (dominant seventh) adds a minor seventh to the major chord. It creates tension that wants to resolve: essential in blues, jazz and rock’n’roll.
Positions and fingerings
Position 1 fret 1
Position 2 fret 4
Position 3 fret 9
× muted string · o open string · numbers: fingers (1 index, 2 middle, 3 ring, 4 pinky) · strings from the 4th (left) to the 1st
Chord notes
| Note | Interval |
|---|---|
| C♯ (C sharp) | root |
| E♯ (E sharp) | major third |
| G♯ (G sharp) | perfect fifth |
| B | minor seventh |
Formula: 1 – 3 – 5 – b7 · C♯ – E♯ – G♯ – B
A progression with this chord
The ii – V – I: the seventh chord (V7) builds tension that resolves to the tonic chord (I).