Riff 1: e|--------------------------------| B|--------------------------------| G|--------------------------------| D|-----2--------2--------2--------| A|--------------------------------| E|0-3p0-3p0--3p0-3p0--3p0-3p0-----| then: Riff 2: e|--------------------------------| B|--------------------------------| G|--------------------------------| D|5555-44-33----------------------| A|5555-44-33----------------------| E|3333-22-11----------------------| then back to riff 1 when you pull off, lightly pluck the E string with your left hand