Gue?? 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.