Metallica reveal demo version of new song 'Lords Of Summer' - listen
Track was first performed on tour in South America earlier this month
Metallica debut new song in Colombia – watch
As promised, the first night of the Metallica By Request tour includes brand new material
Metallica to debut new material at South American gig this weekend
Band working on new song in rehearsals ahead of live show in Colombia on Sunday (March 16)
Metallica, Motörhead, Corey Taylor, Tenacious D to feature on Ronnie James Dio tribute album
'This Is Your Life' is set for release on March 31
Metallica's Kirk Hammett: 'We have to start working on the album'
The guitarist said he'd be 'up for' releasing their new record in 2015
Metallica's Kirk Hammett says band haven't 'really started' working on new album
Metal giants give progress update on long-awaited new LP
Metallica's Lars Ulrich: 'Not winning our first Grammy was fucked up'
The drummer recalls missing out at the awards ceremony in 1989
Kirk Hammett: 'Metallica have run out of excuses to delay a new album'
Band's guitarist says metal giants will be in the studio very soon
Metallica to play Grammys with Chinese concert pianist Lang Lang
Katy Perry, Pink and Kendrick Lamar have also been added to the lineup for the awards ceremony
Metallica release live album of Antarctica gig
'Freeze 'Em All' is available now to download