Finger Positions

Root Note E

Name E suspended fourth over C#

Intervals 1P-4P-5P

Relative Minor C#m

Notes C#, E, A, B

Aliases Esus4, Esus

How to play the Esus4/C# Chord

The Esus4/C# is a fundamental suspended 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 suspended fourth over C# is built using the 1P, 4P, 5P intervals. In the key of E Major, this chord functions as the I chord.

Common Progressions

In music composition, the Esus4/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

Major Minor Minor Blues Melodic Minor Harmonic Minor Bebop Dorian Mixolydian Phrygian Ionian Pentatonic Mixolydian Pentatonic Ritusen Egyptian Vietnamese 1 Kumoijoshi

* 15 scales found containing the notes C#, E, A, B.

Acoustic & Digital Analysis

Digital footprint of the Esus4/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 64, 69, 71

Frequencies (Hz)

277.1826309768721, 329.6275569128699, 440, 493.8833012561241