C7 chord on 8-String Guitar – Half Step Down

in Half Step Down (F-A#-D#-G#-C#-F#-A#-D#) tuning

✕○✕21341CEA#EGA#
C7
Dominant 7
Notes:C · E · G · A#
mediumbarre on fret 1
Piano Left hand Right hand
CCCEGA#
ShapeFretsFingersNotesDifficulty
x 2 1 2 3 1 0 x– 2 1 3 4 1 – –x C E A# E G A# xmedium · barre on fret 1
x 2 4 2 3 4 2 x– 1 3 1 2 4 1 –x C G A# E A# C xmedium · barre on fret 2
x x x 4 3 4 x x– – – 2 1 3 – –x x x C E A# x xeasy
7 6 4 4 6 4 0 x4 2 1 1 3 1 – –C E G C G A# A# xmedium · barre on fret 4
5 0 9 8 6 x x x1 – 4 3 2 – – –A# A# C E G x x xhard
7 6 7 8 6 6 6 x2 1 3 4 1 1 1 –C E A# E G C E xmedium · barre on fret 6
7 9 7 8 9 x x x1 3 1 2 4 – – –C G A# E A# x x xmedium · barre on fret 7
x x 9 8 9 x x x– – 2 1 3 – – –x x C E A# x x xeasy
x x 9 11 9 10 9 9– – 1 3 1 2 1 1x x C G A# E G Cmedium · barre on fret 9
x x x x 11 10 12 x– – – – 2 1 3 –x x x x C E A# xmedium
11 0 x 11 11 x x x1 – – 2 3 – – –E A# x G C x x xeasy
x 2 4 2 3 4 0 x– 1 3 1 2 4 – –x C G A# E A# A# xmedium · barre on fret 2
x 2 4 2 3 4 x x– 1 3 1 2 4 – –x C G A# E A# x xmedium · barre on fret 2
x x x 4 3 4 x 4– – – 2 1 3 – 4x x x C E A# x Ghard
x x x 4 6 4 6 4– – – 1 2 1 3 1x x x C G A# E Gmedium · barre on fret 4
5 9 9 8 x x x x1 3 4 2 – – – –A# G C E x x x xhard

The C7 chord (Dominant 7) is built from the notes C, E, G, A#. Below are playable fingerings for 8-String Guitar – Half Step Down generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the C7 chord is built

Formula: 1 · 3 · 5 · ♭7

DegreeSemitonesNote
10C
34E
57G
♭710A#

More C chords

Other roots

See C7 in another tuning

What notes make up the C7 chord?

C7 is a Dominant 7 chord built from the notes C, E, G, A#.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.