One of the great resources on has as a musician to make music on a blues progression is the Blues Scale. The origin and historical nature of the Blues Scale is worthy of a doctorate dissertation, but to give you a brief introduction to the historical and sociological thought of the Blues scale I offer this short blog posting on Ethan Iverson's website about the Blues Scale.
The sound of The Blues and the sound of the Blues Scale, as Wynton Marsalis noted, is a combination of major and minor sounds. Here is a comparison of the two scales.
First We want to get really comfortable with the sound of this scale so that we can both sing it and play it whenever we want.
Here is a great warm up for the Blues scales and some jazz rhythms from Every Day I Have the Blues
Here is an example of me play the G Blues Scale and Syncopation Warm Up