What makes Falling in Love by 2NE1 notable?

'Falling in Love' was a commercial success, debuting at number one on the Gaon Digital Chart and contributing to the global rise of K-pop. Its infectious melody and choreography played a significant role in maintaining 2NE1's popularity during a competitive era in the music industry. Released on January 1, 2013, 'Falling in Love' marked 2NE1's first single after their hiatus following the 2011 album 'Collection'. At this point in their career, they were solidifying their status as K-pop icons, having already gained international recognition and acclaim for their earlier hits.