The C# diminished 7 / Db diminished 7 chord (C#dim7) is made of the notes C#, E, G and A#. It is built from the root C# with a minor third, a diminished fifth and a diminished seventh.
The diminished 7 chord is symmetrical and very tense: it works as a passing chord in jazz and classical music.
C# diminished 7
Notes: C# – E – G – A#
Guitar — positions on the neck
Piano — root position and inversions
Fingerings and positions
On guitar, this chord can be played in 2 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): 9 10 11 9 11 9. On piano, the right hand plays 4 notes, in root position or in an inversion.
The notes of the C# diminished 7 chord (C#dim7) are C#, E, G and A#.
How do you play the C# diminished 7 chord on guitar?
On guitar, this chord can be played in 2 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): 9 10 11 9 11 9.
How is the C# diminished 7 chord built?
The C# diminished 7 / Db diminished 7 chord (C#dim7) is made of the notes C#, E, G and A#. It is built from the root C# with a minor third, a diminished fifth and a diminished seventh.
Are C# and Db the same chord?
Yes: C# and Db are the same note (they are called enharmonic), so C# diminished 7 / Db diminished 7 is played exactly the same way, with the same fingerings.