LH Rootless voicing formulae

Question 1

Major seventh Type A

Answer 1

3, 5, 7, 9

From the major 3rd build a minor seventh chord

(m3, M3, m3)

Question 2

Major seventh Type B

Answer 2

7, 9, 3, 5

From the 7 add: m3, M2, m3

Question 3

Dominant Type A

Answer 3

3, 13, b7, 9

From the 3 add:

P4, m2, M3

Question 4

Dominant Type B

Answer 4

b7, 9, 3, 13 (replacing the 5 with the 13 for smooth voice leading)

From the b7 add:

M3, M2, P4

Question 5

Minor seventh Type A

Answer 5

b3, 5, b7, 9

From the b3 add:

M3, m3, M3

Question 6

Minor seventh Type B

Answer 6

b7, 9, b3, 5

From the b7 add:

M3, m2, M3

Question 7

How to move through a major 251 with rootless LH voicings - starting with minor Type A

Answer 7

• Drop the third note of the iim7 chord (the b7) to get a Type B V7 chord.
• Drop the first note of the V7 chord by m2, the second by M2 and the fourth by M2 to get a Type A major I chord.

Question 8

How to move through a major 251 with rootless LH voicings - starting with minor Type B

Answer 8

• Drop the bottom note (3) of the iim7 chord down a half step to get a Type A V7 chord.
• Drop the second note of the V7 chord by M2, the third note by m2, and the fourth note by M2 to get a Type B IM7 chord.