Watch the Mississippi Blues 5 online guitar lesson by Tim Sparks from Post-Modern Fingerstyle Blues
There are some tricky passages in here, and it helps to break them down into 4-bar phrases. With all of the tightly-voiced chords played one after the next, the arrangement sounds more like it was written for piano than guitar. Finding common fingers to link series of chords helps to keep the transitions smooth for the player. We're not talking about common tones here, but recognizing where chord shapes allow a finger to stay on the same string between chords.