A teaser clip from the upcoming Led Zeppelin documentary, “Becoming Led Zeppelin,” has been released. The clip features members of the band recalling the first time they played together. Bassist John Paul Jones shared how surprised he was when he heard Robert Plant’s vocals. "I was expecting some cool soul singer, and there's this screaming maniac with this fantastic voice and fantastic range. I was, like, 'What are you doing up there? You'll hurt yourself, man.” The “Becoming Led Zeppelin” documentary hits IMAX theaters on February 7th and then hits regular theaters on February 14th. Check out the clip below!