What makes Duality by Slipknot notable?

'Duality' became one of Slipknot's most recognizable tracks, peaking at number 5 on the Billboard Hot Mainstream Rock Tracks chart and receiving significant radio play. The song's raw energy resonated with fans and established it as an anthem for those facing personal battles, cementing its place within the nu-metal genre and influencing countless emerging bands. By the time 'Duality' was released on May 4, 2004, Slipknot had solidified their presence in the metal scene following their breakthrough self-titled album in 1999 and the critically acclaimed 'Iowa' in 2001. This album marked a pivotal moment as they transitioned into a mainstream force while grappling with internal struggles and lineup changes, ultimately leading to a more polished sound.