Metallica has been teasing a big announcement on their website for over a week now, and today the announcement was made. The band is creating a new music, arts and lifestyle festival that they hope will be an annual event. The festival, will be called the Orion Music + More, and will make its debut June 23-24 at Bader Field in Atlantic City, New Jersey. Metallica will, of course, headline both nights of the festival. 20 other bands that will participate including bans like Avenged Sevenfold, Arctic Monkeys, Cage the Elephant, Modest Mouse, Best Coast and the Gaslight Anthem. More bands will be announced in the coming weeks.