Guess Who

Guess Who (stylized as GUE?? WHO) is the fourth extended play by South Korean girl group Itzy. It was released by JYP Entertainment on April 30, 2021. The EP was released for pre-order on March 22, and contains six tracks, including the lead single "In the Morning". The physical album comes in three versions: Day, Night, and Day&Night. The EP is primarily a rap-styled K-pop record that combines EDM, hip hop, dance, dance-pop, trap, Latin trap and bossa nova elements. Guess Who was subject to generally mixed reviews from music critics, who complimented the record's cohesiveness; however, some found the material controlling the vitality of the group. The EP was commercially successful, marking Itzy's first and highest entry on the US Billboard 200, peaking at number 148, and peaking at number 2 on the Gaon Album Chart. In May 2021, Guess Who was certified Platinum by the Korea Music Content Association. The lead single, "In the Morning", peaked at number 10 on the Gaon Digital Chart, becoming the group's fifth top-ten single, as well as the group's third single to enter the top five of the Billboard World Digital Song Sales chart. To promote the EP, the group performed on several South Korean music show programs, such as M Countdown and Inkigayo. Background On March 22, Itzy released the first poster for their upcoming EP, Guess Who. This was posted alongside pre-order information and a preview of the EP content. JYP Entertainment said in a statement that the upcoming release would feature a sound that "come as a surprise for their fans". The label added that the group "would come up with offbeat dance moves and styling to showcase something different this time". On April 12, 2021, the group unveiled the track listing to the EP on the group's official SNS accounts and website, revealing "In the Morning" as the lead single. The next day, the night version of a group teaser was revealed. The next group teaser was released on April 14. Starting from April 15, a series of teasers were posted everyday for the group's official social media. On April 25, Itzy released the highlight medley for their EP. The first music video teaser for "In the Morning" was released on April 26. On the next day, the second music video teaser for the song was published. On April 28, the third music video teaser for the lead single was published.