What does Doubling rule mean in music?

Doubling rule means "In root-position triads, double the root by default".

What type of musical term is Doubling rule?

Doubling rule is a theory concepts term — see the Theory Practice glossary for the rest of the theory concepts word list.

What grade is Doubling rule tested in?

Doubling rule first appears at Grade 3 in ABRSM, AMEB and Trinity music theory exams, and stays in the syllabus for every grade above that.

Music theory · Musical terms · Theory concepts

Doubling rule — meaning in music

Doubling rule is a musical term meaning In root-position triads, double the root by default. It is a theory concepts marking, first tested at Grade 3 in ABRSM, AMEB and Trinity music theory exams. From that grade on, every written paper expects you to know it on sight.

Definition

In root-position triads, double the root by default

Theory conceptsFirst tested: Grade 3

Translations

French	Dans les triades en position racine, doublez la racine par défaut
German	Bei Dreiklängen mit Grundtonposition wird der Grundton standardmäßig verdoppelt
Italian	Nelle triadi con posizione fondamentale, raddoppia la radice per impostazione predefinita
Spanish	En tríadas de posición raíz, duplica la raíz por defecto
Chinese	在根位置三和弦中，默认情况下将根加倍

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All theory concepts terms

Allemande Alto range Anacrusis Answer phrase Arco Bar line Bass clef Bass range Binary form Bourrée Cello clef Cello range Chromatic semitone Compound interval Courante Crotchet (US name)Demisemiquaver Diatonic semitone Dominant Dominant (degree)Double bar line Double bass clef Double flat (𝄫)Double sharp (𝄪)Doubling rule Duplet Final bar line Flat Gavotte Gigue Harmonic minor scale Imperfect cadence Interrupted cadence Inversion of a 3rd Inversion of a 4th Inversion of a 5th Leading note Leger line Mediant Melodic minor scale (ascending)Melodic minor scale (descending)Minim (US name)Minuet Modulate to the dominant Modulate to the relative minor Modulation Natural Natural minor scale Parallel 5ths Parallel 8ves Perfect cadence Pivot chord Pizzicato Plagal cadence Quaver (US name)Question phrase Real sequence Relative minor of C major Relative minor of F major Relative minor of G major Repeat sign Sarabande Semibreve (US name)Semiquaver (US name)Semitone Sequence Sharp Slur Soprano range Stave (staff)Subdominant Subdominant (degree)Submediant Supertonic Tenor range Ternary form Tie Tonal sequence Tone Tonic Tonic (degree)Treble clef Triplet Viola clef Viola range Violin clef Violin range Voice crossing Voice overlap