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Tuning: E A D G B E
Watch Tony Iommi playing it here https://www.youtube.com/watch?v=mwJG8-_jQko or here https://www.youtube.com/watch?v=pTHeY0-P4MY (tuned down a whole step) e|----------------------------|-------------------------| B|----------------------------|-------------------------| G|----------------------------|-------------------------| D|----------------------------|-------12h14-------12----| x4 A|-12h14-----12h14-----12h14--|-12h14-------12h14----14-| E|-12--------12--------12-----|-------------------------| ************************* | h Hammer-on *************************