Finger Positions

Root Note E

Name E over C

Intervals 1P-4P-5P-7m-9M

Relative Minor C#m

Notes C, E, A, B, D, F#

Aliases E9sus4, E9sus

How to play the E9sus4/C Chord

The E9sus4/C is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the E over C is built using the 1P, 4P, 5P, 7m, 9M intervals. In the key of E Major, this chord functions as the I chord.

Common Progressions

In music composition, the E9sus4/C chord is often used to create tension or resolution.

I-V-vi-IV

E → B → C#m → A

vi-IV-I-V

C#m → A → E → B

The Diatonic Family

Understanding the "family" of chords that belong to E helps with transposition and ear training.

Triads

E F#m G#m A B C#m D#dim

7ths

Emaj7 F#m7 G#m7 Amaj7 B7 C#m7 D#m7b5

Scale Compatibility

View All Scales

Minor Bebop Dorian Mixolydian Piongio Mixolydian B6 Bebop Minor Minor Bebop Composite Blues Chromatic

* 10 scales found containing the notes C, E, A, B, D, F#.

Acoustic & Digital Analysis

Digital footprint of the E9sus4/C chord for MIDI programming and synthesizer sound design.

MIDI Numbers 60, 64, 69, 71, 62, 66

Frequencies (Hz)

261.6255653005986, 329.6275569128699, 440, 493.8833012561241, 293.6647679174076, 369.9944227116344