C#sus4

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

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.

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.

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.

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