How to play C#7: a dominant 7th built on C#, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x 4 3 4 2 x (x = not played).
| Note | C# | E# | B |
|---|---|---|---|
| Interval | R | 3 | b7 |
C#7 is a dominant 7th with C# as its root. The full theoretical spelling is C#, E#, G#, B. This voicing omits the 5th, the tone guitarists drop first when fitting a chord onto six strings.
C#7 is a diatonic chord (built from the key's own notes) in 1 major key and 2 minor keys. The roman numeral is the chord's place in that key; tap a key for all of its chords.
Free chord sheets on Guitar Scribble with C#7 in them. Each opens with the chords over the lyrics and plays in any key.
All tools are free with no download. Customize the fingering, print it, or drop it straight into a chart.
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C#7 is spelled C#, E#, G#, B: the root, 3rd, 5th, flat 7th. The common guitar voicing sounds C#, E#, B, leaving out the 5th.
Frets from the low E string to the high E string: x 4 3 4 2 x (x means the string is not played). Fret the B string at the 2nd fret. Add the D string at the 3rd fret. Add the A and G strings at the 4th fret. Strum from the A string down, skipping the high E string; the low E string stays silent.
C#7 belongs to 3 keys: F# major (the V chord), D# minor (the VII) and F# minor (the V, from the harmonic minor).