What makes One by Metallica notable?

'One' became not only a commercial hit, reaching No. 35 on the Billboard Hot 100, but it also received a Grammy Award for Best Metal Performance. The song's poignant lyrics and its powerful music video addressing the brutal realities of war brought attention to issues surrounding veterans, influencing both heavy metal and popular culture during this era. Released on January 10, 1989, 'One' marked Metallica's first single from their fourth album, '…And Justice for All'. At this point in their career, the band was transitioning into mainstream success, following the critical acclaim of their previous album while still maintaining their thrash metal roots. This track would play a significant role in cementing their reputation as a leading force in heavy metal.