Finger Positions

Root Note D

Name D over C#

Intervals 1P-3M-5A-7m

Relative Minor Bm

Notes C#, D, F#, A#, C

Aliases D7#5, D+7, D7+, D7aug, Daug7

How to play the Daug7/C# Chord

The Daug7/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 D over C# is built using the 1P, 3M, 5A, 7m intervals. In the key of D Major, this chord functions as the I chord.

Common Progressions

In music composition, the Daug7/C# chord is often used to create tension or resolution.

I-V-vi-IV

D → A → Bm → G

vi-IV-I-V

Bm → G → D → A

The Diatonic Family

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

Triads

D Em F#m G A Bm C#dim

7ths

Dmaj7 Em7 F#m7 Gmaj7 A7 Bm7 C#m7b5

Scale Compatibility

View All Scales

Whole Tone Pentatonic Mystery #1 Whole Tone Locrian Major Altered Mixolydian B6 Leading Whole Tone Lydian Minor Phrygian Dominant Enigmatic Spanish Heptatonic Messiaen's Mode #6 Messiaen's Mode #3 Chromatic

* 14 scales found containing the notes C#, D, F#, A#, C.

Acoustic & Digital Analysis

Digital footprint of the Daug7/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 62, 66, 70, 60

Frequencies (Hz)

277.1826309768721, 293.6647679174076, 369.9944227116344, 466.1637615180899, 261.6255653005986