The Roundtable Mick Wall - When Giants Walked the Earth WAMC Northeast Public Radio Published January 7, 2010 at 9:56 AM EST Facebook Twitter LinkedIn By Ian Pickushttp://stream.publicbroadcasting.net/production/mp3/wamc/local-wamc-879164.mp3Albany, NY – Ian Pickus speaks with Led Zeppelin biographer, Mick Wall, about his book .