Foo Fighter revealed story as guest on Metallica drummer Lars Ulrich's Beats 1 show 'It's Electric'
"Yes, I'm ok. My ego, not so much," Hetfield said onstage after fall
Exhaustive box set features concert recordings, demos and other rarities
Band and singer unveil more behind-the-scenes footage from ill-fated performance
Wrap of 'WorldWired' Canadian and U.S. leg will be broadcast around 10:45 p.m. ET
Metallica and Billy Eichner play "Metal Have I Ever?" in preview clips from Apple Music series
Robert Trujillo narrates film, 'Korn and the Prodigy Son,' about his tween offspring Tye
Kirk Hammett, Robert Trujillo and James Hetfield each made playlists and sat for individual hour-long episodes of drummer's 'It's Electric'
Musician criticizes sisters' controversial line featuring their faces superimposed over artists, band logos
Band breaks down the songs they're playing this summer, from "Hardwired" to "Enter Sandman"
Youngest members of Kardashian-Jenner clan are under fire for plastering their faces over rap and rock icons
Drummer will play songs from his favorite metal and hard-rock albums and speak with a Rolling Stone writer who worked on the list
As the metal group hits the road in support of 'Hardwired ... to Self-Destruct,' they give Rolling Stone a behind-the-scenes look at how it all works
Aerosmith also remember Soundgarden singer with "Dream On" dedication
Metal giants charge through latest 'Hardwired ... to Self-Destruct' single between stops on WorldWired Tour