Stairway to Heaven was one of the biggest rock songs of the 1970s - loved, imitated and sometimes parodied. Now Led Zeppelin's classic track is back on the turntable, on a re-mastered version of the band's fourth album. 43 years after its release, the song continues to hold a place in many music fans' hearts.Guitarist Jimmy Page gives a personal account of how a rock anthem came together.Camera: Dave O'Neill, Richard Kenny. Editing: Dave O'Neill. Producer: Amanda BruckshawSubscribe to BBC News HERE http://bit.ly/1rbfUogCheck out our website: http://www.bbc.com/newsFacebook: http://www.facebook.com/bbcworldnewsTwitter: http://www.twitter.com/bbcworldInstagram: http://instagram.com/bbcnews