This riff is in a 12/8 time signature which is basically playing triplets since you are playing 3 notes per metronome click. Everything is palm-muted except for the first note of each beat.
Here is the Guitar Pro 6 tab for this lesson:
Use this search box to find a specific type of lesson. If you can't find what you're looking for send a message to email@example.com
John Taylor - guitar and bass instructor for Mile High Shred.