It's finally official, AC/DC are coming to Poland for the first time since 1991, when they performed in Chorzów. If you need a want a history lesson, here goes. Founded in 1973,  these Rock and Roll Hall Of Famers (2003) have sold over 150mln albums. The latest 'Black Ice' (2008, produced by Brendan O'Brian) got two Grammy nominations and showed the boys in top form. For those about to rock...