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This type of alteration, where a chord's third is modified by an accidental that is not borrowed from the parallel key, is sometimes referred to as secondary mixture. Like regular mixture, the quality of the chord in question is changed, but not through borrowing of tones from the parallel key.
What is mode mixture music theory?
Modal mixture (or borrowing) is the harmonic technique of mixing the notes from the parallel major and natural-minor modes (e.g., C major and C minor). This results in changing the chord qualities and/or melodic “color” to achieve expressive effects not available in the main scale itself.
How do you identify a modal mixture?
Modal mixture (also called modal borrowing) refers to the use of chords belonging to a parallel key—for example, a passage in F major incorporating one or more chords from F minor. Note that, like with the use of applied chords, this does not necessarily constitute modulation. Only a cadence can confirm a new key.
How do you spell bVI chord?
"biii" would imply a minor chord on the minor 3rd degree.). Likewise for "bVI", which means a major chord rooted on the minor 6th scale degree. It's a useful system when discussing music in mixed modes (e.g.., most rock music), where borrowed chords are common.
