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CM7sus4 is the C major 7th suspended 4th guitar chord. It uses the notes C, F, G, and B and the interval formula 1-4-5-7.
The C major 7th suspended 4th major 7th suspended 4th chord replaces the third with a perfect fourth F, creating a lush, dreamy sound. The combination of the fourth F, fifth G, and major seventh B produces a sophisticated, modern harmony, enhancing ambient and jazz progressions with an ethereal color.
Also written as Cmaj7sus4.
These are quick-start shapes for players who want the answer first and the deeper theory second.
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Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
The root anchors the chord and defines its tonal center.
The fourth creates suspension and a sense of pull toward resolution.
The fifth reinforces stability and gives the chord its strong harmonic frame.
The major seventh adds a smooth, lush tension close to the root.
Every shape is shown with its diagram and exact fingering instructions.
CM7sus4 uses the notes C, F, G, and B. Its interval formula is 1-4-5-7.
CM7sus4 is also written as Cmaj7sus4.
Place the 1st finger on the 1st fret of the 1st string. Place the 3rd finger on the 3rd fret of the 5th string. Place the 4th finger on the 3rd fret of the 4th string. Let the third and second strings ring open. Strum from the 5th string down.
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