C#9 chord

The C#9 chord (C# dominant ninth, also written Db9) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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C#1E#= F3G#5Bb7D#9

About the dominant ninth chord

A dominant seventh with the ninth on top. Funky and full.

Formula: 1 3 5 b7 9. Used in: Funk, soul, disco and jazz.

More C# chords

Other dominant ninth chords

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Questions

What notes are in a C#9 chord?

C#, E# (F), G#, B, D#.

What is the formula of a dominant ninth chord?

1 3 5 b7 9. A dominant seventh with the ninth on top. Funky and full.

Is C#9 the same as Db9?

Yes. C# and Db are the same key on the piano, so the chords sound the same. Which name is used depends on the key of the song.