Led Zeppelin's "Stairway to Heaven" is widely regarded as the best rock song or composition ever recorded. There's a reason why it has been loved, hated, imitated and parodied so much. Guitarist Jimmy Page recently sat down with BBC News to recall how the song came about.

Everytime I listen to Stairway, it "makes me wonder" how the song came to fruition. It appears it was quite by design. Jimmy Page explains: