V-V
One of the common techniques used in jazz harmony to reinforce the tonality of a particular key center is to enhance the dominant chord with it’s own V. This is usually called V-V. For example, in the bridge to “I’ve Got Rhythm” (key of Bb), the dominant progression is D7 \ \ | G7 \ \ | C7 \ \ | F7 \ \.. See chords (1) thru (4) in the tab. This harmony can be emphasized with the V of each of these dominant chords. The progression would then be Am7 D7 | Dm7 G7 | Gm7 C7 | Cm7 F7. See chords (5) thru (12) in the tab. Play this run by preceding each dominant V with the ii chord of the V, which forms the V-V . In our example, the D7 chord (6) at fret 14, A->Bb knee lever, is preceded by the Am7 (V-V), chord (5), two frets in front at fret 12 with no pedals. The G7, chord (8), at fret 14 pedal 6 is preceded by Dm7 (V-V), chord (7), at the same fret 14 with pedal 6 AND knee lever A->Bb. The next dominant chord is C7, fret 12, knee lever A->Bb. Drop back two frets to fret 10, no pedals, for the Gm7 (V-V) that leads to the C7. The F7 is at fret 12 pedal 6, with the Cm7 (V-V), pedal 6 and A->Bb, that leads to it. Another option is to start the Am7 D7 of the run at fret 9. See chords (13) and (14) and follow the previous pattern.
1__________________________________________________________________________
2__________________________________________________________________________
3__________________________________________________________________________
4_____14R___14_____12R___12________________________________________________
5__________________________________________________________________________
6_____14____14(6___12____12(6______________________________________________
7__________________________________________________________________________
8__________________________________________________________________________
9___________14_____________________________________________________________
10____14___________12____12________________________________________________
D7 G7 C7 F7
(1) (2) (3) (4)
1__________________________________________________________________________
2__________________________________________________________________________
3_____12________________________10_________________________________________
4__________14R___14R_____14____________12R__12R_____12___________9R___9____
5_____12________________________10__________________________________________
6__________14____14(6)___14(6)_________12___12(6)___12(6)________9(6__9(6___
7___________________________________________________________________________
8_____12____________________________________________________________________
9________________________14_____10__________________12________________9_____
10_________14____14____________________12___12___________________9___________
Am7 D7 Dm7 G7 Gm7 C7 Cm7 F7 Am7 D7
(5) (6) (7) (8) (9) (10) (11) (12) (13) (14)
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