Interval Inversion
(Music Theory Lesson 21 - part 16)

To demonstrate this, let's invert an augmented fourth: C to F#. Move the lowest note an octave higher. The result is a diminished fifth: F# to C

Other Music Theory Articles

Lesson 1
Staffs, Clefs and Ledger Lines
Lesson 2
Note Duration
Lesson 3
Measures and Time Signature
Lesson 4
Rest Duration
Lesson 5
Dots and Ties
Lesson 6
Simple and Compound Meter
Lesson 7
Odd Meter
Lesson 8
Steps and Accidentals
Lesson 9
The Major Scale
Lesson 10
The Minor Scales
Lesson 11
Introduction to Major Chords
Lesson 12
An Introduction to Minor Chords
Lesson 13
Scale Degrees
Lesson 14
Key Signatures
Lesson 15
An Introduction to Major Scales
Lesson 16
Key Signature Calculation
Lesson 17
Generic Intervals
Lesson 18
Specific Intervals
Lesson 19
Introduction Staff and Clefs
Lesson 20
Writing Intervals
Lesson 21
Interval Inversion
Lesson 22
Introduction to Chords
Lesson 23
Triad Inversion
Lesson 24
Diatonic Triads
Lesson 25
Roman Numeral Analysis
Lesson 26
Voicing Chords
Lesson 27
Analysis #1
Lesson 28
Seventh Chords
Lesson 29
Diatonic Seventh Chords
Lesson 30
Seventh Chord Inversion
Lesson 31
Composing with Minor Scales
Lesson 32
Nonharmonic Tones
Lesson 33
Phrases and Cadences
Lesson 34
Circle Progressions
Lesson 35
Common Chord Progressions
Lesson 36
Triads in First Inversion
Lesson 37
Triads in Second Inversion
Lesson 38
Analysis #2
Lesson 39
Building Neapolitan Chords
Lesson 40
Using Neapolitan Chords
Lesson 41
Analysis #3
Lesson 42
Instrument Ranges
Lesson 43
Introduction to the pentatonic scale
Lesson 44
Introduction to Modes
Lesson 45
Degrees of the scale
Lesson 46
Introduction to Triads
Lesson 47
Music Glossary

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All music theory articles are copyright Ricci Adams, reproduced by kind permission. Except where otherwise noted, these theory lessons are licensed under a Creative Commons License.

Interval Inversion (Music Theory Lesson 21 - part 16)

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Interval Inversion
(Music Theory Lesson 21 - part 16)