One Of Led Zeppelin’s Most Famous Songs Is Actually Influenced by This Forgotten 100-Year-Old Blues Track

However, on IV, released in 1971, Led Zeppelin were ready to explore blues more curiously and with more historical closeness.
Yahoo

Robert Plant Once Revealed His Favorite Led Zeppelin Song and No, It’s Not ‘Stairway to Heaven'

Robert Plant Once Revealed His Favorite Led Zeppelin Song and No, It’s Not ‘Stairway to Heaven' originally appeared on Parade. The surviving members of Led Zeppelin are not always the most forthcoming ...