Csus2

Csus2 is C, D and G, a suspended second. The shape this page opens on is written x30013, lowest string first.

Also written C2 or C suspended 2nd. The same chord either way; which spelling you meet depends on who wrote the chart.

There are 10 common shapes for Csus2 on the guitar, and 50 derived voicings in 2 families.

In which keys. Every note of Csus2 belongs to C major (the I), C minor (the i), D minor (the ♭VII), Eb major (the vi), E minor (the ♭VI), F major (the V), G major (the IV), G minor (the iv), A minor (the ♭III) and Bb major (the ii).

The common shapes, written lowest string first: x30013, x30033, x35533, 85578x, x55588, 8x0788, 8-10-10-x-8-10, x-x-10-12-13-10, x-15-12-12-13-15, x-x-12-12-13-15.

Triad. Three notes across one string set. Csus2 has xx001x, x3001x, xx0013, x300xx, xxx533, 330xxx, xx553x, x3003x.

Open string. An open string left ringing against a fretted grip. Because it costs no finger, it sounds a note the closed shape has none left for -- a tension on top, or a pedal root underneath. Either a familiar grip with open strings added, or a shape so sparse the open strings carry the chord. These belong to their key rather than to a shape, so D, A, G and E have many and Eb a handful. Csus2 has 3300xx.

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