Here's your look at the award-winning Friday edition of 'Today in Rock History' featuring: Today is National Pepperoni Pizza Day. Today is also POW / MIA Recognition Day, YOU ARE NOT FORGOTTEN. Guitarist in Extreme, Nuno Bettencourt is 53. Hockey legend, Guy Lafleuris 68. George R.R. Martin is 71. Chuck Panozzo is 72. John's twin and the bassist in Styx. Sadly, Chuck caught HIV from enjoying one too many groupies, and he now has full-blown AIDS. Today in 1976, AC/DC released their third album, featuring the naughty ballroom hit "Big Balls", and the hit title track, "Dirty Deeds Done Dirt Cheap".