Finger Positions

Diagram unavailable.

Root Note E

Name E augmented 9 over C#

Intervals 1P-3M-5A-9M

Relative Minor C#m

Notes C#, E, G#, C, F#

Aliases

How to play the Eaug9/C# Chord

The Eaug9/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 augmented 9 over C# is built using the 1P, 3M, 5A, 9M intervals. In the key of E Major, this chord functions as the I chord.

Common Progressions

In music composition, the Eaug9/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

* 0 scales found containing the notes C#, E, G#, C, F#.

Acoustic & Digital Analysis

Digital footprint of the Eaug9/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 64, 68, 60, 66

Frequencies (Hz)

277.1826309768721, 329.6275569128699, 415.3046975799451, 261.6255653005986, 369.9944227116344