It's already been an excellent year for Led Zeppelin fans, with previously unseen clips from 1975 shows in and , plus film from performances in and in 1977, unexpectedly emerging online. Now more footage has emerged, with a three-minute montage of footage from the band's March 16, 1973 show at the 16,000-capacity in appearing on the YouTube account of Led Zeppelin archivists LedZepFilm. The film was originally shot by Mead Eblan, who attended the American International School Vienna in Austria, while the footage was scanned by Nicki Coyle, a preservationist at The Negative Space in Littleton, CO.

Colour work was completed by Nuff from another group of archivists, The Pink Floyd Research Group. The footage is assembled from short clips, so the music is somewhat fragmented, but is clearly in a playful mood, pretending to break wind into the microphone and telling the audience that Vienna "even has good groupies". Meanwhile, , who is suffering from colic, can be seen performing from a seated position.

"Robert Plant strode around with chest barred and hair flailing, thrusting his pelvic grind at the audience," reported a March 1973 review of the show, "while , wearing his Les Paul low-strung, crushed out well-amplified chords." Writer Dave Hopkins ended his piece by revealing that, "The opening bars of were greeted with a huge roar, and when the band finally broke into , that was the cue for a general stampede towards the front of the stage." Sign up below to get the latest from .