Watch the 8 Bar Blues'n online guitar lesson by David Blacker from Swing Blues Survival Guide: Rhythm

With jump and west coast style tunes, the lines between rhythm and lead are very blurry a lot of the time. The key thing to understand here is how the chordal riffs relate to the underlying changes. One really good practice to help open up the fretboard is to take some of these two note chord fragments and find their corresponding shapes on the D & G strings.