The C# major 7 / Db major 7 chord (C#maj7) is made of the notes C#, E#, G# and B#. It is built from the root C# with a major third, a perfect fifth and a major seventh.
The major seventh chord has a soft, dreamy sound, widely used in jazz, bossa nova and pop.
C# major 7
Notes: C# – E# – G# – B#
Guitar — positions on the neck
Piano — root position and inversions
Fingerings and positions
On guitar, this chord can be played in 5 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): x43111. On piano, the right hand plays 4 notes, in root position or in an inversion.
Notes and intervals
Note
Interval
C#
root
E#
major third
G#
perfect fifth
B#
major seventh
In which keys? The C# major 7 chord is the Imaj7 of C# major, the IVmaj7 of Ab major, the VImaj7 of F minor and the IIImaj7 of Bb minor.
The notes of the C# major 7 chord (C#maj7) are C#, E#, G# and B#.
How do you play the C# major 7 chord on guitar?
On guitar, this chord can be played in 5 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): x43111.
How is the C# major 7 chord built?
The C# major 7 / Db major 7 chord (C#maj7) is made of the notes C#, E#, G# and B#. It is built from the root C# with a major third, a perfect fifth and a major seventh.
Are C# and Db the same chord?
Yes: C# and Db are the same note (they are called enharmonic), so C# major 7 / Db major 7 is played exactly the same way, with the same fingerings.