C#9b5 chord on guitar

C Sharp Dominant Ninth Flat Five, also written Db9b5. Notes: C#, F, G, B and D#.

C#9b5 guitar chord diagram, barre at fret 3×2C#R1F33Bb74D#91Gb5C#FBD#G
Barre at fret 3 · Medium

How to play C#9b5

  1. Lay your index finger flat across the 4th (D) to the 1st (high E) string at fret 3. This is the barre.
  2. Put your middle finger on the 5th (A) string at fret 4 (C#).
  3. Put your ring finger on the 3rd (G) string at fret 4 (B).
  4. Put your pinky finger on the 2nd (B) string at fret 4 (D#).
  5. Don't play the low E string: skip it or mute it with a fretting finger.
  6. Strum from the A string down.
Lowest note: C# (the root)Strings played: 5 of 6Other voicings: 2 below

All 3 ways to play C#9b5

Easiest first. Tap play to hear each one.
C#9b5 guitar chord, barre at fret 3×2C#R1F33Bb74D#91Gb5C#FBD#G

Barre at fret 3

Medium
C#9b5 guitar chord, fret 9 position9fr×1C#R2Gb53F34D#9C#GFBD#

Fret 9 position

Hard
C#9b5 guitar chord, barre at fret 88fr2C#R1F33Bb71D#91Gb54C#RC#FBD#GC#

Barre at fret 8

Hard

Notes and theory

C#root
F3 · major third
Gb5 · diminished fifth
Bb7 · minor seventh
D#9 · ninth

The 9b5 is a dominant ninth with a lowered fifth, a jazz chord with a lot of tension. The formula is 1 3 b5 b7 9. Strictly by music theory the notes are spelled C#, E#, G, B and D#; E# is the same key as F.

More C# chords

All C# guitar chords

dominant ninth flat five chords in every key

Questions

What notes are in the C#9b5 chord?

C#9b5 (C sharp dominant ninth flat five) is made of five notes: C# (root), F (major third), G (diminished fifth), B (minor seventh) and D# (ninth).

How do you play C#9b5 on guitar?

The easiest C#9b5 is the "barre at fret 3" shape. Lay your index finger flat across the 4th (D) to the 1st (high E) string at fret 3. This is the barre. Put your middle finger on the 5th (A) string at fret 4 (C#). Put your ring finger on the 3rd (G) string at fret 4 (B).

Is C#9b5 hard to play on guitar?

C#9b5 has no open-string shape, so every version needs a barre or a stretch. The easiest one is rated medium.

What does a dominant ninth flat five chord sound like?

The 9b5 is a dominant ninth with a lowered fifth, a jazz chord with a lot of tension.