CIRCLE OF FOURTH AND CIRCLE OF FIFTH (things you must know about them) (part 4)
DIA-TONE AND TRI-TONE SUBSTITUTION
FOR THE CIRCLE OF FOURTH AND CIRCLE OF FIFTH
I want to
show you a quick look at dia-tone and tri-tone
In the key
of C
A dia-tone
mean holding a hold a major third interval in the root( left hand) and also a quartal voicing in the right hand
as the chord
Key
|
Root (left hand)
|
Quartal
voicing
|
C
|
C, E
|
B♭ E♭ A♭
|
USING DIATONE
1. iii – vi – ii
( E, A, D)
Chord progressions
|
p
|
Diatone substitutions
|
|
Root
|
Quartal voicing
|
||
iii
|
E
|
E
A♭
|
D
G C
|
vi
|
A
|
A
C♯
|
G
C F
|
ii
|
D
|
D
F♯
|
C
F B♭
|
2. v – I – IV (G, C, F)
Chord progressions
|
p
|
Diatone substitutions
|
|
Root
|
Quartal voicing
|
||
v
|
G
|
G B
|
F B♭E♭
|
I
|
C
|
C E
|
B♭ E♭ A♭
|
IV
|
F
|
F C
|
F A C E
|
3. vii – iii –
vi (B, E, A)
Chord progressions
|
p
|
Diatone substitutions
|
|
Root
|
Quartal voicing
|
||
vii
|
B
|
B E♭
|
A D G
|
iii
|
E
|
E
A♭
|
D
G C
|
vi
|
A
|
A
E
|
G
C E
|
4. #iv – vii –
iii (F#, B, E)
Chord progressions
|
p
|
Diatone substitutions
|
|
Root
|
Quartal voicing
|
||
#iv
|
F♯
|
F♯
B♭
|
E
A D
|
vii
|
B
|
B E♭
|
A D G
|
iii
|
E
|
E
A♭
|
D
G C
|
USE OF TRITONE IN THE CIRCLES
Quick review
of tri-tone
Tri means three
movement of major second interval (that C » D » E » F♯)
Key
|
Root (left hand)
|
Major
chord (2nd inversion)
|
C
|
C F♯
|
B E A♭
|
This is how
to pick a tri-tone. The mystery about the tri-tone is that it is form from
dominant chord (1 3 5 b7 — 3 and b7 form the tri-tone). Therefore, the tri-tone
can replace our dominant chord as chord substitutions and lastly we will use
the know of dominant chord to apply the tri-tone. Here is it.
1. iii – vi – ii
( E, A, D)
Chord progressions
|
p
|
Tri-tone substitutions
|
|
Root
|
Major chord
|
||
iii
|
E
|
D
A♭
|
C♯ F♯ B♭
|
vi
|
A
|
C♯D
|
C
F A
|
ii
|
D
|
D
A
|
C
E F A
|
2. v – I – IV (G, C, F)
Chord progressions
|
p
|
Tri-tone substitutions
|
|
Root
|
Major chord
|
||
V
|
G
|
B F
|
B♭E♭G
|
I
|
C
|
B♭E
|
A D F♯
|
IV
|
F
|
F C
|
A C E
|
3. vii – iii – vi (B, E, A)
Chord progressions
|
p
|
Tri-tone substitutions
|
|
Root
|
Major chord
|
||
vii
|
B
|
A E♭
|
A♭ E♭ F
|
iii
|
E
|
A♭D
|
G
C E
|
vi
|
A
|
A
E
|
G
C E
|
4. #iv – vii –
iii (F#, B, E)
Chord progressions
|
p
|
Tri-tone substitutions
|
|
Root
|
Major chord
|
||
#iv
|
F♯
|
B♭E
|
A
D F#
|
vii
|
B
|
E♭A
|
A♭C♯F
|
iii
|
E
|
E
A♭
|
G
C E
|
NOTE: practice first on the keys you are convenient with, do
not limit yourself on a key but practice this on all keys
Thanks I hope this helps.
Next Time: Here Is The Mystery See Mathematical
Illustration Of The Circle Of Fourth And The Circle Of Fifth.
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