"We [were] just playing very well. The greatest thing is to be able to be in a huge arena and change the mood so beautifully.” Robert Plant, 1975.

“[Page and I] would end up round the drums, get tight, concentrate, work hard, make it sound as good as it possibly can, and enjoy it.” John Paul Jones, 1975, on the Earl's Court, London, UK shows.

January / February / March 1975: Led Zeppelin played a 35 date North American tour. Pictured is the ticket stub from the show in Seattle.

A replica of the "Trampled Under Foot" 1975 UK Promo single will be released on 7" vinyl for RSD Black Friday, in-store only on Nov 28. Head to https://t.co/noKp0sR3u0 for more info. #RSDBlackFriday #RSDBF @recordstoreday

January 1975: Led Zeppelin play a warm up show for their North American tour in Rotterdam, NL

“We had enough material for one-and-a-half LPs, so I figured, ‘Let’s put out a double and use some of the material we’d done previously but never released’.” Jimmy Page

'Physical Graffiti' is celebrating its 50th. Listen to "Boogie with Stu", "Black Country Woman", and "Sick Again" now on Led Zeppelin's official YouTube channel. https://t.co/jqyVxVcyQD

Led Zeppelin's LIVE EP is available to watch now on YouTube. https://t.co/u63c8h45C0

Led Zeppelin's LIVE EP is out now on CD, 180g vinyl and digitally for the very first time. Listen now https://t.co/jqyVxVc115

Robert Plant: “It was so positive, lyrically. It’s the quest, the travels and explorations that Page and I went on… That, really to me is the Zeppelin feel.”

'Physical Graffiti' is celebrating its 50th. Listen to "Night Flight" and "The Wanton Song" now on Led Zeppelin's official YouTube channel https://t.co/iHTt6sLVaD

Watch "In My Time Of Dying (Live From Earl's Court, 1975)", taken from Led Zeppelin's upcoming LIVE EP, here: https://t.co/uk7YbQg9ep

John Paul Jones: “'Kashmir’ was a great showpiece as a number. It was very theatrical, a grand gesture.”

'Physical Graffiti' is celebrating its 50th. Listen to "Down by the Seaside" and "Ten Years Gone" now on Led Zeppelin's official YouTube channel https://t.co/ML5HFFGvP6

'Physical Graffiti' advert from 1975.

'Physical Graffiti' is celebrating its 50th. Listen to "In The Light" and "Bron-Yr-Aur" now on Led Zeppelin's official YouTube channel https://t.co/ML5HFFGvP6

Jimmy Page: “I had an idea for a mantric riff with cascading overdubs. I started playing the riff with Bonham and we just locked in and played non-stop. It was infectious, a delight and just so ‘us’.”

'Physical Graffiti' is celebrating its 50th. Listen to "Trampled Under Foot" and "Kashmir" now on Led Zeppelin's official YouTube channel https://t.co/ML5HFFGvP6

Led Zeppelin History Episode 15, telling the story of 'Physical Graffiti': Watch it now.

'Physical Graffiti' is celebrating its 50th. Listen to "In My Time Of Dying" and "Houses of the Holy" now on Led Zeppelin's official YouTube channel. https://t.co/ML5HFFFXZy