This song is in Drop D tuning - for me anyways... Intro/chorus the strumming, listen to the song D I--7-/-5--/3--/5----------I I--7-/-5--/3--/5----------I I--7-/-5--/3--/5----------I I-------------------------I I-------------------------I I-------------------------I verse I--222-22-22-222-222----------I I-----------------------------I I-----------------------------I I-----------------------------I I-----------------------------I I-----------------------------I after the first chorus, its the same as the verse after the second chorus I-2-0-0--3-3-3-0-0--5-55-/6--I I----------------------------I I----------------------------I I----------------------------I I----------------------------I I----------------------------I heavier I-2-0-0--3-3-3-0-0--5-55-/6-66--I I-2-0-0--3-3-3-0-0--5-55-/6-66--I I-------------------------------I I-------------------------------I I-------------------------------I I-------------------------------I clean guitar after the third guitar I-------------------------------------I I--7-------7/5--7-----3------3/5------I I----9------------------5--5----------I I--------0----------------4-----------I I------0----------0-------------------I I-------------------------------------I