Use Good Night Irene, and The Tennessee Waltz (below) to practice. Both in G
Remember to be patient with yourself while your fingers are getting used to these shapes.
Suggestions today were to do finger exercises, and also to move the chord shapes up the neck one fret at at time. Work on one shape at a time until you become more confident with them. Then begin to combine them.
Michael Gonzalez is doing another Blues Workshop on April 12. For information:http://stargroove.com/clinics/blues-uke/