C7#5 chord on guitar
C Augmented Seventh. Notes: C, E, G# and Bb.
How to play C7#5
- Put your index finger on the 4th (D) string at fret 2 (E).
- Put your middle finger on the 5th (A) string at fret 3 (C).
- Put your ring finger on the 3rd (G) string at fret 3 (Bb).
- Put your pinky finger on the 1st (high E) string at fret 4 (G#).
- Don't play the low E and B strings: skip them or mute them with a fretting finger.
- Strum from the A string down.
Lowest note: C (the root)Strings played: 4 of 6Other voicings: 3 below
All 4 ways to play C7#5
Easiest first. Tap play to hear each one.Fret 2 position
MediumBarre at fret 3
HardFret 8 position
HardFret 10 position
HardNotes and theory
Croot
E3 · major third
G##5 · augmented fifth
Bbb7 · minor seventh
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 Caug7 and C+7.
More C chords
All C guitar chordsCmajorCmminorC7dominant seventhCm7minor seventhCmaj7major seventhCsus4suspended fourthCsus2suspended secondCdimdiminishedCaugaugmentedC6major sixthC9dominant ninthCadd9added ninthCm7b5half-diminishedCdim7diminished seventhC7sus4dominant seventh suspended fourthC5power chordCm6minor sixthCm9minor ninth
augmented seventh chords in every key
Questions
What notes are in the C7#5 chord?
C7#5 (C augmented seventh) is made of four notes: C (root), E (major third), G# (augmented fifth) and Bb (minor seventh).
How do you play C7#5 on guitar?
The easiest C7#5 is the "fret 2 position" shape. Put your index finger on the 4th (D) string at fret 2 (E). Put your middle finger on the 5th (A) string at fret 3 (C). Put your ring finger on the 3rd (G) string at fret 3 (Bb).
Is C7#5 hard to play on guitar?
No. The easiest version is rated medium and uses 4 fretted notes.
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.