Chords & Chord Progressions: Augmented Triads: Theory & Ear Training

Learn-by-doing lessons for quickly internalizing the most commonly used Augmented Triads… by ear, intellect, eye and muscle…

Table of Contents


Lesson Goal

To quickly internalize the most commonly used Augmented Triads using all four musical intelligences.


Prerequisites

Basic music reading skills… the LOVE of music… and the discipline to study and practice.


C Augmented Triad Theory & Ear Training

  • Chord symbol: Caug or C+
  • Chord structure= 1-3-#5
  • Character: dissonant, mystical, dreamy, otherworldly, atmospheric.
music notation for c augmented triad
piano keyboard showing a c augmented triad

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Common Uses for Augmented Triads

Common uses (using Roman Numeral Analysis) for Augmented Triads include, but are not limited to, the following:

  • V+ chord in Major or Minor tonality.
  • I+ in a Major Tonality as a secondary dominant V+/IV.
  • I+ that creates a mystical, dreamy tonality of its own.

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Augmented Triads, All Spellings

Here are the chord symbols, spellings, common usages, and keyboard layouts for all the augmented triads…

Sidebar advice from Frank: Simply learn to spell each chord just as you spell any three-letter word in English. For example, you spell cat C-A-T and dog D-O-G. Likewise, you spell a C+ chord C-E-G# and D+ chord D-F#-A#.

C Augmented Triad

  • Chord Symbol: C+ or Caug.
  • Spelling: C-E-G#.
  • Common Usage: V+ in F Major/Minor, I+ in C Major.
piano keyboard showing a c augmented triad

C Sharp Augmented Triad

  • Chord Symbol: C#+ or C#aug.
  • Spelling: C#-E#-Gx.
  • Common Usage: V+ in F# Minor.
piano keyboard showing a c sharp augmented triad

D Flat Augmented Triad

  • Chord Symbol: Db#+ or Dbaug.
  • Spelling: Db-F-A.
  • Common Usage: V+ in Gb Major, I+ in Db Major.
piano keyboard showing a d flat augmented triad

D Augmented Triad

  • Chord Symbol: D+ or Daug.
  • Spelling: D-F#-A#.
  • Common Usage: V+ in G Major/Minor, I+ in D major.
piano keyboard showing a d augmented triad

D Sharp Augmented Triad

  • Chord Symbol: D#+ or D#aug.
  • Spelling: D#-Fx-Ax.
  • Common Usage: V+ in G#Minor.
piano keyboard showing a d sharp augmented triad

E Flat Augmented Triad

  • Chord Symbol: Eb+ or Ebaug.
  • Spelling: Eb-G-B.
  • Common Usage: V+ in Ab Major, I+ in Eb Major.
piano keyboard showing an e flat augmented triad

E Augmented Triad

  • Chord Symbol: E+ or Eaug.
  • Spelling: E-G#-B#.
  • Common Usage: V+ in A Major/Minor, I+ in E Major.
piano keyboard showing an e augmented triad

F Augmented Triad

  • Chord Symbol: F+ or Faug.
  • Spelling: F-A-C#.
  • Common Usage: V+ in Bb Major/Minor, I+ in F Major.
piano keyboard showing an f augmented triad

F Sharp Augmented Triad

  • Chord Symbol: F#+ or F#aug.
  • Spelling: F#-A#-Cx.
  • Common Usage: V+ in B Major/Minor.
piano keyboard showing an f sharp augmented triad

G Flat Augmented Triad

  • Chord Symbol: Gb+ or Gbaug.
  • Spelling: Gb-Bb-D.
  • Common Usage: I+ in Gb Major.
piano keyboard showing a g flat augmented triad

G Augmented Triad

  • Chord Symbol: G+ or Gaug.
  • Spelling: G-B-D#.
  • Common Usage: V+ in C Major/Minor, I+ in G Major.
piano keyboard showing a g augmented triad

G Sharp Augmented Triad

  • Chord Symbol: G#+ or G#aug.
  • Spelling: G#-B#-Dx.
  • Common Usage: V+ in C# Minor.
piano keyboard showing a g sharp augmented triad

A Flat Augmented Triad

  • Chord Symbol: Ab+ or Abaug.
  • Spelling: Ab-C-E.
  • Common Usage: V+ in Db Major, I+ in Ab Major.
piano keyboard showing an a flat augmented triad

A Augmented Triad

  • Chord Symbol: A+ or Aaug.
  • Spelling: A-C#-E#.
  • Common Usage: V+ in D Major/Minor, I+ in A Major.
piano keyboard showing an a augmented triad

B Flat Augmented Triad

  • Chord Symbol: Bb+ or Bbaug.
  • Spelling: Bb-D-F#.
  • Common Usage: V+ in Eb Major/Minor, I+ in Bb Major.
piano keyboard showing a b flat augmented triad

B Augmented Triad

  • Chord Symbol: B+ or Baug.
  • Spelling: B-D#-Fx.
  • Common Usage: V+ in E Major/Minor, I+ in B Major.
piano keyboard showing a b augmented triad

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Table of Most Commonly Used Augmented Triads

Sixteen of the most commonly used augmented triads showing the chord name, chord structure, spelling, and primary functions using roman numeral analysis…

table of commonly used augmented triads showing the chord names, spellings, and primary functions using roman numeral analysis

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