What makes Girls by Exo-CBX notable?

'Girls' debuted at number one on the Gaon Album Chart and was praised for its fresh sound that contributed to the growing popularity of K-pop subunits. The lead single 'Hey Mama!' became particularly notable for its infectious energy and choreography, which resonated well with fans and helped bolster the group's international appeal. Released on May 24, 2017, 'Girls' marked the first mini-album from Exo-CBX, the subunit of popular K-pop group EXO. This project came after EXO's significant commercial success with their album 'Ex'Act' in 2016, showcasing a new, playful side of the trio consisting of Chen, Baekhyun, and Xiumin.