2019: Debut with It’z Different and It’z Icy
On January 21, JYP Entertainment announced that they would be debuting a new girl group, the first since Twice’s debut in 2015. The label’s official channel uploaded a video trailer revealing the five members.
On February 12, the group released their debut single album, It’z Different, with its lead single “Dalla Dalla”. The song incorporates elements from EDM subgenres, such as future house and bass house. Its empowering lyrics have been well received by the audience. The group scores one of the biggest Billboard debuts for a new K-pop act in years, single “Dalla Dalla” entered at No. 3 and peaked at No. 2 on the World Digital Song Sales chart. The shape-shifting confidence anthem sold 2,000 downloads in the U.S. for the week ending Feb. 14, according to Nielsen Music, making it the best-selling K-pop song in America that week. “Want It?” was released alongside the single “Dalla Dalla” debuted at No. 8 selling 1,000 downloads. “Dalla Dalla” also debuted as the second most popular songs on YouTube.
Billboard confirmed that the music video surpassed 17.1 million views within 24 hours of its release and broke the record for the most viewed K-pop debut music video within 24 hours. On February 21, nine days after their debut, Itzy received their first music show win on M Countdown and became the fastest girl group to achieve their first music show win. “Dalla Dalla” also holds the record for the fastest K-pop debut music video to reach 100 million views.
Itzy’s debut EP, titled It’z Icy was released on July 29, 2019 along with an accompanied music video for it’s lead single titled “Icy”.