Basic Substitution & Function - JH

Question 1

I maj 7

Major key functions

Answer 1

Establishes key centre, doesn’t need to progress but can go anywhere

Question 2

II min7

Major key functions

Answer 2

Sub for IV Maj7

Progresses to V (down a 5th) or to bII (down a half step)

Question 3

III min7

Major key functions

Answer 3

Sub for I Maj7

Progresses to VI(down a 5th) or to bIII (down a half step)

Question 4

IV Maj7

Major key functions

Answer 4

Sub for II min7;
Progresses to V
Often serves as a temporary key centre for relief

Question 5

V7

Major key functions

Answer 5

Progresses to I (down a 5th)

Question 6

VI min7

Major key functions

Answer 6

Sub for Imaj7 or IV Maj7

Progresses to II (down a 5th) or bVI (down a half step);

Also rel. minor key centre

Question 7

VII min7b5

Major key functions

Answer 7

Sub for V7

Progresses to I

Question 8

I min7

Minor Key Functions

Answer 8

Establishes key centre

Doesn’t need to progress but may go anywhere

Question 9

II m7b5

Minor Key Functions

Answer 9

Sub for IVm7

Progresses to V (down a 5th) or bII (down a half step)

Question 10

III Maj7

Minor Key Functions

Answer 10

sub for I min7

Progresses to bVI (down a 5th) or II (down a half step)

Question 11

IV min7

Minor key functions

Answer 11

Sub for II min7b5

Progresses to V or bVII (down 5th)

Often serves as temporary key centre for relief

Question 12

V7

Minor key functions

Answer 12

Progresses to I (down a 5th)

Question 13

VI Maj7

Minor key functions

Answer 13

Sub for I min7 or IV min7

Progresses to bII (down a 5th) or to V (down a half step)

Question 14

VI min7b5

Minor key functions

Answer 14

Sub for I min7

Progresses to II (down a 5th) or to bVI (down a half step)

Question 15

VII7

Minor key functions

Answer 15

Transitional chord between IV min7 and I

Progresses to I or bIII (down a 5th)

Question 16

VII dim7

Minor key functions

Answer 16

Sub for V7b9

Progresses to I