Intro [after all the trippy sounds] guitar 1 e|-----11----11----9---9----9---| b|--12----12----12-------12-12--| g|------------------------------|x8 d|------------------------------| a|------------------------------| E|------------------------------| after guitar1 plays riff 8 times, guitar2 comes in guitar 2 e|--------------------| b|--------------------| g|--8----9--------9---| d|--9----9----6---9---| a|--9----7----6---7---| E|--7---------4-------| And that's basically it for the entire song
https://primanota.net/misc-unsigned-bands/eberg-inside-your-head-chords.htm