ExAmplE5 G mInor 7 Vamp Into II-V-I In b

Over the Gm7 Ford moves down a mixture of G minor pentatonic with 9th (A) added and G Blues scale, coming up a Bbmaj7 arpeggio at the end of the second bar to land on the root of C7. He then descends chromatically to the b7 (Bb), moving up a D major triad and down C mixolydian to land on the 3rd (A) of F7. He moves up F7, landing on the b9 (Gb), then comes down F half-whole (F Gb Ab A B C D Eb), resolving to 3rd (D) and root on the Bbmaj7.