The day has finally arrived: Barring any last-minute broken fingers, Led Zeppelin is set to take the stage tonight at roughly 9pm GMT for the Ahmet Ertegun tribute show at London’s O2 Arena. Fans started lining up yesterday at the venue to pick up the wristbands; if you’re not one of the lucky 20,000 attending, tonight’s concert will reportedly be filmed for a future DVD release. In the meantime, check out all our Zeppelin features, including an excerpt from their Rolling Stone cover story and their album-by-album guide. And click back tomorrow for a full concert report from Rolling Stone’s David Fricke.