Main Guitar Riff: E|---------| B|---------| G|---------| D|5-5-5-5p4| A|5-5-5-5p4| D|5-5-5-5p4| [PM. . .] Dubstep: E|---------------| B|---------------| G|---------------| D|3-0-0-3-0-0-3-1| A|3-0-0-3-0-0-3-1| D|3-0-0-3-0-0-3-1| [PM. . . . . . ] every now and then during dubstep: E|-----| B|-----| G|-----| D|-----| A|-----| D|1/15~| That's it.