Music video by Golden Earring "Twilight Zone". From the 1982 album Cut.

There's no available audio for the offstage footage at the beginning, but cool to see this historic 1970 footage. The sound starts at 7:10 and lasts for about 10 min. Here is all the relevant professionally filmed footage publicly available of Led Zeppelin's appearance at the 1970 Bath Festival, including shots of the band backstage, a roadie setting their speakers up, and around 10 minutes of the show itself shot by Peter Whitehead and Ernie Vincze.