Watch the Rock Daddy - Solo online guitar lesson by Jeff Scheetz from Rock Solid
We also use a technique in our variations called "Pedal Points". This is a technique where you are playing one note and then going to different notes but coming back to the first note every other note. So you are "pedaling" off of one note. It creates sort of a drone sound.
You can hear pedal points a lot in classical music. Paganini, Mozart, and of course the master Bach used this technique with great effect.