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.”

Mercy and I have raised 5 daughters and so far no Karens. There is a whole group of young women who believe it’s a high calling to raise the next generation of children who will love America.

'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

John Bonham: “When we first ran through it, John Paul and Jimmy started off the riff. It’s great for me. Great rhythm for a drummer. It’s just at the right pace and you can do a lot of frills.” https://t.co/pbxvl5RQDQ

'Physical Graffiti' is celebrating its 50th. Listen to "Custard Pie" and "The Rover" now on Led Zeppelin's official YouTube channel https://t.co/jqyVxVc115

Physical Graffiti is celebrating its 50th. You can listen to the entire album from beginning to end on Led Zeppelin's official YouTube channel https://t.co/m971tpy873

Listen to Trampled Under Foot (Live At Earl's Court, 1975), taken from Led Zeppelin's upcoming LIVE EP, here: https://t.co/pbxvl5RQDQ

Celebrating 50 years of PHYSICAL GRAFFITI, Led Zeppelin's new LIVE EP will be released on Sept 12. Featuring "In My Time Of Dying," "Trampled Under Foot (Live From Earl's Court, '75)," "Sick Again," & "Kashmir (Live From Knebworth, '79)" on CD, vinyl & digitally for the first

As part of the celebration of 75 years of Atlantic Records, Led Zeppelin IV will be released on 180g crystal clear vinyl, available worldwide October 27. Pre-order now: https://t.co/YuqMZcwTBf

The band waiting for a photoshoot at the "Riot Hyatt" in Los Angeles in 1973. Photograph by James Fortune.

HOUSES OF THE HOLY billboard on Sunset Strip in 1973, across from the "Riot House" (aka the Continental Hyatt House)

7" singles from around the world in support of HOUSES OF THE HOLY. https://t.co/0h7eaYVi1u