Standard tuning. Chords go from Gmaj to Cmaj, to Dmaj, and back to Cmaj. e|-----------------------------------------| B|------0---------1-----------3--------1---| G|----0---0---------0-------2---2--------0-| D|-----------------------0-----------------| A|------------3---------------------3------| E|-3---------------------------------------| e|-----------------------------------------| B|------0---------1-----------3--------1---| G|----0---0---------0-------2---2--------0-| D|-----------------------0-----------------| A|------------3---------------------3------| E|-3---------------------------------------| e|-----------------------------------------| B|------0---------1-----------3--------1---| G|----0---0---------0-------2---2--------0-| D|-----------------------0-----------------| A|------------3---------------------3------| E|-3---------------------------------------| Play this one riff over and over.