he just switches the drive on and off. If it's on, he picks up the tempo, so there is one riff.Main Riff------------------------------------------------|--9-9-x-7--7-7-7-7-7-7-7-6-6-x-5--5-5-5-5-5-5-5-|--8-8-x-6--6-6-6-6-6-6-6-5-5-x-4--4-4-4-4-4-4-4-|--9-9-x-7--7-7-7-7-7-7-7-6-6-x-5--5-5-5-5-5-5-5-|--7-7-x-5--5-5-5-5-5-5-5-4-4-x-3--3-3-3-3-3-3-3-|------------------------------------------------|Outro(improvises using this chord)------------------------------------------------|---7--------------------------------------------|---8--------------------------------------------|---9--------------------------------------------|---7--------------------------------------------|------------------------------------------------|