Music theory > Lessons > Pitch of sounds > Intervals > Doubly augmented second

Doubly augmented second

In music theory, a doubly augmented second is an interval that has two whole steps (tones). Explanations and excerpts from famous works

In music theory, a doubly augmented second is an interval that has two whole steps (tones ).

The doubly augmented second requires that:

• The interval must be an second interval (two note names between the first and the last).
• The interval must have two whole steps.

What does a doubly augmented second look like?

Here is an example of a melodic doubly augmented second (two music notes in a melody) and a harmonic doubly augmented second (in a chord):

How to recognize a doubly augmented second?

Rule of music theory: All intervals in a major scale starting with the tonic (degree I) are either major or perfect, and only unison, octave, fourth and fifth are perfect (the others are major).

Example with the interval C / D♯♯:

Let's take the C major scale to have C as the tonic:

From the rule stated above, the interval C / D is a major second, so the interval C / D♯ is a augmented second, and so C / D♯♯ is a doubly augmented second.

Inversion of the doubly augmented second

The inversion of the doubly augmented second is the doubly diminished seventh.

Here is an example of a doubly diminished seventh:

Musical examples of doubly augmented second

No examples yet, but feel free to send me some examples!

Interval identification game

You will find this interval in my Intervals identification game:

Find all my music theory games by clicking this link music theory games

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