Watch the Dominant Soloing 1: 5 online guitar lesson by Brad Carlton from Bluesology 1

The I7-V7 progression and a couple of scale choices for the V7 chord will be presented in this lesson. Starting and finishing up on the pitch G in a C blues scale works fine. Also, the G blues scale is a good choice for the G7 chord.
The V7-IV7 progression and some advice on phrasing to ensure smooth connections between chords will be introduced in this section.