Rockabilly comes from a time in which music had a big swing feel which was necessary for the dancers who wished to "dance to the bop", and has a kind of hillbilly approach to playing swing that gives it its own special rhythm. Let's try this in the key of E over standard 12-bar blues changes.
I have two basic rhythms to get started with. This one is an arpeggio style and the other in the following lesson is single 8th notes on low strings.