British heavy rock group Led Zeppelin, performing at Earl’s Court, London, May 1975. Left to right: John Paul Jones, Robert Plant, John Bonham (1948 – 1980, behind drum kit) and Jimmy Page. The band were initially booked to play three nights at the venue, from 23rd to 25th May, but due to public demand, two more concerts were later added, for 17th and 18th May. Total ticket sales were 85,000. (Photo by Michael Putland/Getty Images)

Previously unseen footage of Led Zeppelin performing at Michigan’s Pontiac Silverdome in 1977, has emerged online. The 23-minute clip captures the band playing to – what was then, a world record crowd of 76,200, for a single-act show.

The 8mm film, shot from the audience, has been restored and was posted by Guitar World.

At the time, Zeppelin was touring in support of their seventh studio album, Presence. Tickets for the concert sold for $10.50.

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