It's taken from some live footage of Metallica performing (the incredible) 'Seek and Destroy' in 1992. James passes the mic to Jason for him to take a line in the chorus and...well let's just say James doesn't seem too happy with Jason's reaction.
If you're a Metallica fan then there's a good chance you've seen this but in case you haven't, check it out now!
(You may also want to click the video title to bring it up bigger on YouTube)