Suspended 4 – Chords
The suspended 4 (sus4) chord is simply the major chord with the 3rd note of the major scale replaced by the 4th note of the major scale.
Let’s use the C major chord to show this:
C Major
C Sus4
You can use MusicWheels™ to discover all the other sus4 chords and their notes.
Chord Formula:
A chord is made up of notes based on the intervals of the major scale.
The sus4 chord formula is 1-4-5 (i.e. the Root, 4th and 5th notes of the major scale).