C#sus4

C#sus4 is C#, F# and G#, a suspended fourth. The shape this page opens on is written x4412x, lowest string first.

Note by note. C# is the root, F# is the fourth and G# is the fifth.

Also written C#sus or C# suspended 4th. The same chord either way; which spelling you meet depends on who wrote the chart.

There are 6 common shapes for C#sus4 on the guitar, and 46 derived voicings in the triad family.

One note away. Change a single note of C#sus4 and you have C# (with one note moved), C#m (with one note moved), C#sus2 (with one note moved), C#sus2sus4 (with one note added), C#5 (with one note taken away) or C#7sus4 (with one note added).

In which keys. Every note of C#sus4 belongs to C# major (the I), C# minor (the i), Eb minor (the ♭VII), E major (the vi), F# major (the V), F# minor (the v), Ab minor (the iv), A major (the iii), Bb minor (the ♭III) and B major (the ii).

The common shapes, written lowest string first: x4412x, x46674, 9x6679, xx6679, 9-11-11-11-9-9, x-x-11-13-14-14.

Under the hand. None of the shapes for C#sus4 uses an open string, so every one of them is movable; the lowest sits at the 1st fret. 1 of the 6 needs a barre. Together they cover the neck from the 1st fret to the 14th.

Triad. Three notes across one string set. C#sus4 has xxx122, 444xxx, 4446xx, xx667x, x-x-11-11-9-x, x-x-x-11-9-9, x-x-11-11-9-9, 9-11-11-11-x-x.

What kind of chord this is. C#sus4 is a suspended chord — root and fifth, with a second or fourth where the third would be — or nothing at all. suspended and power chords on every root, and what they are for.

The common shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.