Metallica_lux_aeterna_official_lyric_video -

: Produced by Greg Fidelman alongside Hetfield and Lars Ulrich, the track features rapid double-kick drumming from Ulrich and an improvised guitar solo by Kirk Hammett, which he described as an homage to Judas Priest's K.K. Downing.

: James Hetfield has described the track as "joyous" and heavily inspired by the New Wave of British Heavy Metal (NWOBHM) , specifically harkening back to early 1980s riffs. metallica_lux_aeterna_official_lyric_video

Clocking in at approximately , "Lux Æterna" is a high-energy thrash metal track that marked the band's first new music in over six years. : Produced by Greg Fidelman alongside Hetfield and