PART 2 : DIATONIC HARMONIZATION USING TRIAD COMBINATION

This lesson provides general rules for harmonizing diatonic triads and naming the resultant arpeggio/chord when both the triads are separated by specific intervals within the diatonic scale (2nds, 3rds, 4ths, 5ths, 6ths, 7ths).. The 2nds, 3rds, 6ths, 7ths are either major or minor (wherever and however they exist, depending on the root of the triad, within the diatonic scale)..

Thus an interval between a C major triad and a D major triad would be a major 2nd, whereas the interval between a C major triad and an E minor triad would be a minor 3rd..

Again, there is a "Primary" triad and a "Secondary" triad and the resultant "extended" arpeggio (formed by the combination of notes in both the triads) is represented as an extended chord of either the Primary root OR the Secondary root; whichever is easier to denote..

As "Function" chords, they are represented by the function (within the key) of the resultant arpeggio root..

Examples in the key of C major : [ C D E F G A B C ]

** "func" denotes the respective function 7th/extended chord (M7, 7, m7 etc) applying on the relative scale degree or relative mode for the key (ie lydian or IV will always be IV-M7, and mixolydian or V will always be V-7)..

2nds (2nd-func-11) C E G + D F A = C D E F G A = D F A C E G = ii-m11 = Dm11 D F A + E G B = D E F G A B = E G B D F A = iii-m11 = Em11 E G B + F A C = E F G A B C = F A C E G B = IV-M11 = FM11 F A C + G B D = F G A B C D = G B D F A C = V-11 = G11 G B D + A C E = G A B C D E = A C E G B D = vi-m11 = Am11 A C E + B D F = A B C D E F = B D F A C E = vii-m11/b5 = Bm11/b5 B D F + C E G = C D E F G B = I-M11 = CM11

4ths (4th-func-9) C E G + F A C = C E F G A = F A C E G = IV-M9 = FM9 D F A + G B D = D F G A B = G B D F A = V-9 = G9 E G B + A C E = E G A B C = A C E G B = vi-m9 = Am9 F A C + B D F = F A B C D = B D F A C = vii-m9/b5 = Bm9/b5 G B D + C E G = G B C D E = C E G B D = I-M9 = CM9 A C E + D F A = A C D E F = D F A C E = ii-m9 = Dm9 B D F + E G B = E G B D F = iii-m9 = Em9

5ths (1st-func-9) C E G + G B D = C E G B D = I-M9 = CM9 D F A + A C E = D F A C E = ii-m9 = Dm9 E G B + B D F = E G B D F = iii-m9 = Em9 F A C + C E G = F A C E G = IV-M9 = FM9 G B D + D F A = G A B D F = G B D F A = V-9 = G9 A C E + E G B = A C E G B = vi-m9 = Am9 B D F + F A C = F A B C D = B D F A C = vii-m9/b5 = Bm9/b5

6ths (6th-func-7) C E G + A C E = C E G A = A C E G = vi-m7 = Am7 D F A + B D F = D F A B = B D F A = vii-m7/b5 = Bm7/b5 E G B + C E G = E G B C = C E G B = I-M7 = CM7 F A C + D F A = F A C D = D F A C = ii-m7 = Dm7 G B D + E G B = G B D E = E G B D = iii-m7 = Em7 A C E + F A C = A C E F = F A C E = IV-M7 = FM7 B D F + G B D = G B D F = V-7 = G7

7ths (1st-func-11) C E G + B D F = C D E F G B = I-M11 = CM11 D F A + C E G = D E F G A C = D F A C E G = ii-m11 = Dm11 E G B + D F A = E F G A B D = E G B D F A = iii-m11 = Em11 F A C + E G B = F G A B C E = F A C E G B = IV-M11 = FM11 G B D + F A C = G A B C D F = G B D F A C = V-11 = G11 A C E + G B D = A B C D E G = A C E G B D = vi-m11 = Am11 B D F + A C E = A B C D E F = B D F A C E = vii-m11/b5 = Bm11/b5

For further explanation, feedback and/or suggestions please write in to me at:

furqan84@hotmail.com

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