This is the absolute 100% correct tab for the main riff for Doctor Doctor by UFO. (HEAVY DISTORTION) E—[-------------------X----------------------X---------] B—[-------------------X----------------------X---------] G—[-------------------X----------------------X---------] D—[--7-7-7-7-7-7-7----X---3-3-3-3-3-3-3------X---------] A—[--5-5-5-5-5-5-5----X---1-1-1-1-1-1-1------X---------] E—[-------------------X----------------------X---------] E—[------------------X----------------------X--------] B—[------------------X----------------------X--------] G—[------------------X----------------------X--------] D—[------------------X--5-5-5-5-5-5-5-------X--------] A—[--3-3-3-3-3-3-3---X--3-3-3-3-3-3-3-------X--------] E—[--1-1-1-1-1-1-1---X----------------------X--------] E—[------------------X---------------------X----------] B—[------------------X---------------------X----------] G—[------------------X---------------------X----------] D—[--7-7-7-7-7-7-7---X----3-3-3-3-3-3-3----X----------] A—[--5-5-5-5-5-5-5---X----1-1-1-1-1-1-1----X----------] E—[------------------X---------------------X----------] E—[-------------------X------------------------------------] B—[-------------------X------------------------------------] G—[-------------------X------------------------------------] D—[-------------------X------------------------------------] A—[--3-3-3-3-3-3-3----X-------5----7-----------------------] E—[--1-1-1-1-1-1-1----X-------3----5-----------------------] E—[--------------------------------------------------------------] B—[--------------------------------------------------------------] G—[--------------------------------------------------------------] D—[--7-7---3-3---5-5---------------------7-7-7-7-----------------] A—[--5-5---1-1---3-3---3-3---5-5---7-7---5-5-5-5-----------------] E—[--------------------1-1---3-3---5-5---------------------------]