How is 12-bar blues harmonically possible? Cmaj scale doesn't really have a C7 - F7 - G7. Is it done by borrowing chords from other modes? There seems to be a C7 in C mixolydian, F7 in C dorian and G7 ...
I was watching a video of SRV and one of the things that really stood out was the fact that he seemed to have a different iteration of the I-IV-V turnaround - and made it look/sound effortless. Any ...