Entertainment Unseen Led Zeppelin footage appears from the band’s record-breaking 1977 set at the Pontiac Silverdome Posted on January 4, 2024 by miyuru Previously unseen footage of Led Zeppelin performing at Michigan’s Pontiac Silverdome on April 30, 1977, has emerged online. The 23-minute clip captures the band playing to a then-world record 76,200-strong….