Def Leppard made two big announcements this week.  First, they are releasing a new live album this summer called Mirrorball that not only includes live tracks but also three new studio songs and a bonus DVD with performances and backstage footage. And secondly, the group revealed that on June 10th, they’ll headline the U-K’s Download Festival in Donington Park.  Stay up to date with all of the band’s news at DefLeppard.com.