'Lux Æterna,' released on November 28, 2022, marks Metallica's first single from their eleventh studio album, '72 Seasons.' The song showcases a return to the band's thrash metal roots, reminiscent of their earlier works from the 1980s, while integrating modern production techniques. The title, which translates to "Light Eternal," reflects a thematic exploration that resonates throughout the track. The song was released alongside a music video that features the band performing in a stark, industrial setting, emphasizing the energy and raw power that Metallica is renowned for. This release was highly anticipated, as it came after the band's previous studio album, 'Hardwired... to Self-Destruct,' which was released in 2016, marking a significant gap for fans eager for new material.
Lyrically, 'Lux Æterna' delves into themes of existentialism and the human experience. The opening lines, "Living life, live it all / Burn the candle at both ends," encapsulate a sense of urgency and the duality of existence—joy and pain, life and death. The chorus, with its driving mantra, "So let it be, let it be," suggests a resignation to fate and the relentless passage of time. The recurring motif of light serves as both a metaphor for hope and the fleeting nature of life. This duality is a hallmark of Metallica's writing, where the dark themes are often juxtaposed with moments of clarity and reflection. The song's frenetic pace and powerful instrumentation amplify these lyrical sentiments, making it a quintessential Metallica track.
Upon its release, 'Lux Æterna' received widespread acclaim from both fans and critics alike, heralded as a triumphant return to form for the band. Critics praised its high-energy riffing, dynamic structure, and the seamless blend of classic thrash with contemporary elements. The song has since been noted for its ability to resonate with both longtime fans and newer audiences, solidifying Metallica's place in the modern rock landscape. Its cultural legacy is underscored by the band's ongoing influence in the heavy metal genre, with 'Lux Æterna' serving as a reminder of their enduring ability to evolve while staying true to their roots. As the lead-off single for '72 Seasons,' it sets the stage for an album that promises to explore the complexities of life, making it a significant entry in Metallica's storied discography.