Alrighty, let's kick off the proceedings with the first lick.
Guthrie tends to use this kind of idea within his improvisations with great effect. I really like that kind of unexpected burst of notes and to achieve the same effect, it is very important to get the rhythm dead on. Practice this very slowly maintaining control of the synchronization of both left and right hands and keep the pick attack fairly light. Gradually build up the tempo only when you are ready to do so