Careful with that Axe, Eugene by Pink Floyd main theme |--------------------------------------| |--11-----------11-----------11--------| |--------------------------------------| |---------9------------9------------9--| variation #1 |-----------------------------------------------------| |--11-----------11---------------11--------11---------| |----------------------------------------------11-----| |---------9------------9-------------9-------------9--| variation #2 |-------------------------------------------------------| |--11-----------11------------11-------------11---------| |-------------------11---------------------------11-----| |---------9-------------9------------9---------------9--| variation #3 |------------------------------| |--11-----------9h11--9h11-----| |------------------------------| |---------9-----------------9--| The bass on this song follows the main theme all along, with many variations. The ones listed here are the most common. Waters also does a little improv. at the end. The scale he uses is C#.