C# 7th chord
C#7 chord for piano with keyboard diagram.
Explanation: The C sharp seventh is a dominant four-note chord. You can see the four notes of the C# seventh chord marked in red color. The chord is often abbreviated as C#7.
Theory: The C# seventh chord is constructed with a root, a major thirdAn interval consisting of four semitones, a perfect fifthAn interval consisting of seven semitones and a minor seventhAn interval consisting of ten semitones and the 7th scale degree.
Fingerings: Little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).
Notes: C# - F - G# - B
C#7 - inversions
Explanation: The images below show the three inversions of the C sharp dominant seventh chord. C#7/F is a C sharp dominant seventh with F as the bass note, C#7/G# is a C sharp dominant seventh with G sharp as the bass note and C#7/B is a C sharp dominant seventh with B as the bass note.