[Intro Bars 1- 8] The opening iconic riff features all the key techniques you’ll need to perform the other sections of the song, so spend some time on this. Unfortunately there are no short cuts here; it’s a case of starting very slowly and making sure you don’t slip into bad habits by racing ahead. The picking pattern is essentially the same throughout and alternate picking will provide a consistent time feel and musical dynamics. These parts are tricky and worth practicing in isolation. Moving the first finger from the root note on the sixth string to the 3rd on the third string might feel odd at first, but once you have it mastered it’s by far the easiest way to tackle the track, rather than hold the whole chord shape down. Lay your palm across the bridge so the lowest four strings have equal muting. The tricky bit is maintaining a consistent picking hand technique with the palm mute in place. If you have a floating vibrato style bridge be careful not to push the strings out of tune with pressure from the hand.