By the time Led Zeppelin released Physical Graffiti in 1975, they no longer needed to prove anything. “All of us knew that it was a monumental piece of work, just because of the various paths that we’d trodden along to get to this,

Led Zeppelin scores a pair of top 10 hits, as "Stairway to Heaven" returns at No. 8 and "Whole Lotta Love" debuts at No. 9 on the Hard Rock Digital Song Sales chart.

On this day (24 February) in 1975, Led Zeppelin’s Physical Graffiti was released. And after all these years, there is no greater symbol of Led Zeppelin’s power than this. As a double album of studio material it is a classic of the form,