What makes Lux Æterna by Metallica notable?

'Lux Æterna' garnered significant attention upon its release, quickly climbing the charts and reaffirming Metallica's position in the heavy metal scene. The track's energetic return to thrash elements has been praised by critics, who note its potential influence on both fans and emerging artists within the genre. Released in late 2022, 'Lux Æterna' is Metallica's first single from their upcoming album, marking a return to their thrash metal origins after the stylistic exploration seen in previous works like 'Hardwired... to Self-Destruct' (2016). This release comes as the band prepares for a new era, reflecting both nostalgia and revitalization in their sound.