Intro: G|------------------------------| D|------------------------------| A|---------7--5--------3--5--7--| E|---3--3--------3--3-----------| Play this for both the main riff and the bass solo part. G|-------------------------| D|-------------------------| A|-3-3-3-3-----------------| E|---------5-5-5-5-5-5-5-5-| Play this for the two 'off kilter' riffs. That's literally it.