What makes Hush by Miss A notable?

'Hush' debuted at number four on the Gaon Album Chart and solidified Miss A's reputation for strong vocal performances and engaging choreography. The title track became a commercial success, contributing to the increasing global reach of K-pop during this period. Released in early 2013, 'Hush' was Miss A's second studio album, following their successful debut 'A Class' from 2011. At this point, the group was solidifying their presence in the K-pop scene, striving to maintain momentum after several hit singles and a growing fanbase.