Augmented sixth interval

Play (help·info)) is an interval produced by widening a major sixth by a chromatic semitone. For instance, the interval from C to A is a major sixth, nine semitones wide, and both the intervals from C♭ to A, and from C to A♯ are augmented sixths, spanning ten semitones. ... The augmented sixth is relatively rare.

1. How do you make an augmented 6th?
2. What is the purpose of augmented sixth chords?
3. What are sixth intervals?

How do you make an 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 purpose of augmented sixth 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.

What are sixth intervals?

In music from Western culture, a sixth is a musical interval encompassing six note letter names or staff positions (see Interval number for more details), and the major sixth is one of two commonly occurring sixths. ... The major sixth spans nine semitones. Its smaller counterpart, the minor sixth, spans eight semitones.