What makes Fighting in a Sack by The Shins notable?

'Fighting in a Sack' contributed to The Shins' growing popularity, helping them gain significant airplay and recognition within the indie music community. The song 'New Slang' notably became an anthem for a generation, influencing countless artists and receiving praise from major publications like Rolling Stone. Released on December 14, 2004, 'Fighting in a Sack' marked The Shins' rise following their critically acclaimed debut album, 'Oh, Inverted World.' At this point in their career, they were solidifying their presence in the indie rock scene and preparing for mainstream success.