O'Reilly logo

Music Theory for Computer Musicians by Michael Hewitt

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Augmented and Diminished Intervals

The best way to understand the family of augmented and diminished intervals is to look at the interval of, say, a third, as found between the notes F and A. You already know that a third can occur in two forms—a major third of four semitones and a minor third of three semitones. When a major third is increased in size by a further semitone—say, for example, by sharpening the A—it becomes an augmented third. Similarly, when a minor third is decreased in size by a semitone—say, for example, by again flattening the Ab—it becomes a diminished third. You will see these intervals illustrated in Figure 12.1. Notice that to represent the diminished third, a double flat sign is needed in the score edit view. This means ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required