Rare short newsreel clip of Led Zeppelin's press conference in Vancouver, March 21, 1970. The person speaking to Jimmy and Robert at the end appears to be someone from R&D Studio, where they recorded harmonica overdubs in May 1969. http://www.ledzeppelin.com/event/may-10-1969

Press Conference Info: http://www.ledzeppelin.com/event/march-21-1970-0
Concert Info: http://www.ledzeppelin.com/show/march-21-1970