Dave Weiner posted this up to YouTube last week recorded while on tour with Steve Vai!
“Time for better backing tracks! A 15-minute, fusion/funk, multi-key jam track produced backstage in Sofia, Bulgaria”
D/G – F#min7 (2x) : Play G Lydian – F#Aeolian / Min. Pent.
F/Bb – Amin7 (2x) : Play Bb Lydian – A Aeolian / Min. Pent.
Eb/Ab (1x): Play Ab Lydian
Of course, these are just suggestions to get you started. Experiment with other scale choices and all other musical devices! Use YOUR ear. There are no rules!