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Yr 10 Major Diatonic Triads
- 1. Yr 10 Theory Major Diatonic Triads
- 2. Diatonic / Triads Diatonic: Derived (made, built) from a scale. Triads: A three note Chord. C major scale diatonic triads: Triads derived (made, built) from a C Major Scale. Root 1 C D E F G A B C 3 E F G A B C D E 5 G A B C D E F G Dm Am Em B尊 G C C F
- 3. The Major Scale Diatonic Triad Formula Triad symbols Major doesnt have a symbol as its the most common triad Minor uses a lowercase m Diminished uses 尊 Augmented uses + C Dm Em F G Am B尊 C diminished minor minor minor Major Major Major Major
- 4. Roman Numerals for Triads Because all Major keys have the same chords as you move up the scale. Roman numerals are used to to identify that within a key the chords are different. But each chord functions the same way between keys. I ii iii IV V vi vii尊 I C Dm Em F G Am B尊 C diminished minor minor minor Major Major Major Major As you can see to identify the triads position within the scale we use Roman numerals instead of normal numbers. To show that the chord is a major chord the roman numeral is a Capital To show that the chord is a minor chord the roman numeral is in lower case To show that a chord is a diminished, because of the relationship with the minor triad its a lowercase roman numeral and has its 尊 symbol. (note) although not shown here, to show that a chord is a augmented chord because of its relationship with the major triad it uses a capital roman numeral and its + symbol.
- 5. Diatonic Triads for the Different Major Scales diminished minor minor minor Major Major Major Major I ii iii IV V vi vii尊 I C Major C Dm Em F G Am B尊 C F Major F Gm Am Bb C Dm E尊 F G Major G Am Bm C D Em F#尊 C Bb Major Bb Cm Dm Eb F Gm A尊 Bb D Major D Em F#m G A Bm C#尊 D Eb Major Eb Fm Gm Ab Bb Cm D尊 Eb A Major A Bm C#m D E F#m G#尊 A Ab Major Ab Bbm Cm Db Eb Fm G尊 Ab E Major E F#m G#m A B C#m D#尊 E