The fervent Ronnie James Dio fans who gathered to watch a group of the late singer's former bandmates close out Germany's mega-sized heavy-metal festival Wacken Open Air Saturday night got a big surprise: a theatrical performance by Dio in hologram form. It bellowed "We Rock," the singer's gritty 1…
This article originally appeared on www.rollingstone.com: Ronnie James Dio Hologram Debuts at German Metal Festival