What makes What's Twice? by Twice notable?

This album features the hit singles 'TT' and 'Cheer Up,' which topped charts and contributed significantly to Twice's rapid rise in international popularity. The album helped cement Twice's reputation as a key player in the Hallyu wave, showcasing their infectious sound and vibrant aesthetics. In 2017, Twice was solidifying their status as one of K-pop's leading girl groups following their breakout success with 'Cheer Up' in 2016. 'What's Twice?' is a mini-album that showcases their evolving sound and serves as a follow-up to their previous release, further establishing their presence in the competitive music scene.