Home Blogs NME Blogs Metallica Mash-Up: Every James Hetfield “Yeah” Ever Metallica live at the Live Earth London Concert, Wembley Stadium, London. By Kevin Perry Mar 14, 2013 James Hetfield says “Yeah” a lot. But how many times does James Hetfield say “Yeah”? Soundcloud user conklin.radio decided to find out and has served up over three minutes of affirmation, Metallica style. Time well spent, yeah? Yeah.