81

Best done when creating or continuing a lengthy pattern. May replace the x7 (sus 4) chord.

G7 (sus 4) G7Becomes

D min7 or halfdim7 G7Also appears as

D min7/G G7

The ii-7 can also generate its Vx chord.

I Maj7 VI dom7 Ii min7G Maj7 E7 A min7

BecomesI Maj7 Iii halfdim7 VI dom7 Ii min7 V dom7G Maj7 B halfdim7 E7 A min7 D7

The ii min7 chord may be preceded by its own relative Vx7 chord [V of ii Secondary Dominant].

NB the elaboration of single x7 chords into ii V groups is one of the uniquecharacteristics of Bop harmony.

-The VIIx7 Substitute for the iv min [iv-Sub]-

The iv min functions as a Subdominant minor chord in this context - if the I chord can bepreceded by the iv min6 [subdominant modal intensification] it can also be preceded by theVIIx7.

I Maj7 I dom7 IV Maj7 Iv min6 I Maj7C Maj7 C dom7 F Maj7 F min6 C Maj7

BecomesI Maj7 I dom7 IV Maj7 VII dom7 I Maj7C Maj7 C dom7 *F Maj7 *B dom7 *C Maj7

*Essential line is still A A G (3rd to 7th to 5th)