C#7#5 chord on guitar
C Sharp Augmented Seventh, also written Db7#5. Notes: C#, F, A and B.
How to play C#7#5
- Put your index finger on the 1st (high E) string at fret 1 (F).
- Put your middle finger on the 3rd (G) string at fret 2 (A).
- Put your ring finger on the 4th (D) string at fret 3 (F).
- Put your pinky finger on the 5th (A) string at fret 4 (C#).
- Let the open B string ring.
- Don't play the low E string: skip it or mute it with a fretting finger.
- Strum from the A string down.
All 4 ways to play C#7#5
Easiest first. Tap play to hear each one.Open position
MediumFret 7 position
HardBarre at fret 4
HardFret 9 position
HardNotes and theory
The augmented seventh (7#5) raises the fifth of a dominant seventh, which pushes hard toward the next chord. The formula is 1 3 #5 b7, and you will also see it written as C#aug7 and C#+7. Strictly by music theory the notes are spelled C#, E#, G## and B; E# is the same key as F and G## is the same key as A.
More C# chords
All C# guitar chordsaugmented seventh chords in every key
Questions
What notes are in the C#7#5 chord?
C#7#5 (C sharp augmented seventh) is made of four notes: C# (root), F (major third), A (augmented fifth) and B (minor seventh).
How do you play C#7#5 on guitar?
The easiest C#7#5 is the "open position" shape. Put your index finger on the 1st (high E) string at fret 1 (F). Put your middle finger on the 3rd (G) string at fret 2 (A). Put your ring finger on the 4th (D) string at fret 3 (F).
Is C#7#5 hard to play on guitar?
No. The easiest version is rated medium and uses 4 fretted notes plus open strings.
What does a augmented seventh chord sound like?
The augmented seventh (7#5) raises the fifth of a dominant seventh, which pushes hard toward the next chord.