C#13b9 chord on piano

C Sharp Dominant Thirteenth Flat Nine, also written Db13b9. Notes: C#, F, G#, B, D and A#.

C#13b9 piano chord, root positionC4FBC5DC#G#A#
Root position. Tap any key to hear it.

How to play C#13b9

  1. Find C# at or above middle C. That is the root.
  2. Add F, G#, B, D and A# above it, skipping the keys in between.
  3. Right hand fingering: 1-2-3-4-5, or split the chord between both hands. Left hand: play the root and fifth, and leave the upper notes to the right hand.

Notes

C#root
F3 · major third
G#5 · perfect fifth
Bb7 · minor seventh
Db9 · flat ninth
A#13 · thirteenth

Notes and theory

C#root
F3 · major third
G#5 · perfect fifth
Bb7 · minor seventh
Db9 · flat ninth
A#13 · thirteenth

The 13b9 combines a thirteenth with a flat ninth, a dense jazz dominant chord. The formula is 1 3 5 b7 b9 13. Strictly by music theory the notes are spelled C#, E#, G#, B, D and A#; E# is the same key as F.

More C# chords

All C# piano chords

dominant thirteenth flat nine chords in every key

Questions

What notes are in the C#13b9 chord?

C#13b9 (C sharp dominant thirteenth flat nine) is made of six notes: C# (root), F (major third), G# (perfect fifth), B (minor seventh), D (flat ninth) and A# (thirteenth).

How do you play C#13b9 on piano?

Play C#, F, G#, B, D and A# together. With the right hand use fingers 1-2-3-4-5, or split the chord between both hands; with the left hand use play the root and fifth, and leave the upper notes to the right hand.

What does a dominant thirteenth flat nine chord sound like?

The 13b9 combines a thirteenth with a flat ninth, a dense jazz dominant chord.