How do you notate the augmented 6th chords with chord symbols?

Asked by: Jabari Wesley

How do you notate an Augmented 6th chord?

Half-diminished seventh as virtual augmented sixth chord

Its interval of minor seventh (between root and seventh degree (i.e.: C–B♭ in C–E♭–G♭–B♭) can be written as an augmented sixth (C–E♭–G♭–A♯). Rearranging and transposing, this gives A♭–C♭–D–F♯, a virtual minor version of the French sixth chord.

How do you notate a sixth chord?

The chord consists of a minor triad with a tone added a major sixth above the root. Thus in C, it contains the notes C, E♭, G, and A. This chord might be notated Cm6, CmM6, Cmin/maj6, Cmin, etc. Note that Cm6 has the same notes as F9 with the root omitted, i.e. the notes F (omitted), A, E♭, C, and G.

How do you form augmented 6th?

The augmented sixth interval is built from the low sixth scale degree and the raised fourth scale degree. For example, in the key of C, that would be the notes A flat and F#.

What is the augmented chord symbol?


The chord symbol for an augmented triad is the “+” sign. For example, F+ means F augmented chord, B+ means B augmented chord, etc. Additionally, you will see augmented chords abbreviated as aug. For example C aug, F aug, E aug all refer to augmented chords.

Where do I use augmented 6th chords?

There are at least three types of augmented sixths commonly named the Italian, French, and German augmented sixth chords. These chords are generally used to reach the dominant when performing a cadence in major and minor keys.

How is an augmented chord constructed?

An augmented chord is a triad with a sharpened fifth – that is, a fifth note, raised one semitone. So an augmented C would play C – E – G#. This sharpening of the major C triad transforms the character from a happy, clean major chord.

What is a D6 chord?

The 6th chord is a major chord with an additional major 6th. A D6 has the notes D (1), F# (3), A (5) and B (6). Sixth chords do NEVER contain a 7th! The major 6th can be found a whole step (2 frets) above the 5th.

What note is the augmented 6th above F?

F 6th inverted intervals

For example, in the steps above, one of the intervals we measured was a major 6th above F, which is note D.

How do you write a 6th chord in Roman numerals?

The Neapolitan sixth chord

The chord is referred to as a “sixth” because it is almost always found in first inversion, though a technically accurate Roman numeral analysis would be bII, it is generally labeled N6. In C major, the chord is spelled (assuming root position) D flat, F, A flat.

How do you label chords with Roman numerals?

Typically, uppercase Roman numerals (such as I, IV, V) are used to represent major chords, while lowercase Roman numerals (such as ii, iii, vi) are used to represent minor chords (see Major and Minor below for alternative notations).

How do you label chords?

Chords are often labeled according to their function within a key. One system for doing so uses Roman numerals to designate the scale degree of the chord’s root. Some musicians also use Roman numerals to describe the quality of the chord. Capital Roman numerals (I, II, III, etc.)