Construction
C♯ Dominant 9th = Root + Major 3rd + Perfect 5th + Minor 7th + Major 2nd = C♯, E♯, G♯, B, D♯
| Note | Interval | Degree |
|---|---|---|
| C♯ | Root | 1 |
| E♯ | Major 3rd | 3 |
| G♯ | Perfect 5th | 5 |
| B | Minor 7th | ♭7 |
| D♯ | Major 2nd | 9 |
How to Play the C♯ Dominant 9th
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1
C♯ Dominant 9th : Frequently Asked Questions
What is the C♯ Dominant 9th chord on piano?
The C♯ Dominant 9th chord contains the notes C♯ – E♯ – G♯ – B – D♯. On piano, play these notes together to sound the chord.
What notes are in the C# Dominant 9th chord?
The C# Dominant 9th chord (C#9) contains 5 notes: C#, F, G#, B, D#. Formula: R-M3-P5-m7-M9.
How is C#9 used in music?
C#9 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for C#9?
C#9 uses scale degrees 1-3-5-b7-9, giving it its distinctive sound.