How to play C7sus4: a dominant 7th suspended built on C, with 2 ways to play it, 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 3 3 3 1 x (x = not played).
| Note | C | F | Bb |
|---|---|---|---|
| Interval | R | 4 | b7 |
C7sus4 is a dominant 7th suspended with C as its root. The full theoretical spelling is C, F, G, Bb. This voicing omits the 5th, the tone guitarists drop first when fitting a chord onto six strings.
C7sus4 is a diatonic chord (built from the key's own notes) in 4 major keys and 4 minor keys. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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C7sus4 is spelled C, F, G, Bb: the root, 4th, 5th, flat 7th. The common guitar voicing sounds C, F, Bb, leaving out the 5th.
Frets from the low E string to the high E string: x 3 3 3 1 x (x means the string is not played). Fret the B string at the 1st fret. Add the A, D and G strings at the 3rd fret. Strum from the A string down, skipping the high E string; the low E string stays silent.
C7sus4 belongs to 8 keys: F major (the V chord), Bb major (the ii chord), Eb major (the vi chord), Ab major (the iii chord), C minor (the i), G minor (the iv), F minor (the v) and D minor (the VII).
