They wrapped up their promotions for Square One on Septemwith another win on Inkigayo. They won first place on Inkigayo 13 days after their debut, and broke the record for the shortest time for a girl group to win on a music program after debut. Blackpink's first music show performance was aired on Augon SBS' Inkigayo. They also reached number one on the weekly, popularity, music video, and K-pop music video charts of China's biggest music-streaming website QQ Music. 'Whistle' topped the digital, download, streaming, and mobile charts on Gaon in August 2016.

The two title tracks charted at number one and two on the Billboard World Digital Songs chart, and Blackpink are the fastest act to do so and the third Korean artist or group to hold the top two positions after label mates Psy and Big Bang. Its music video was directed by Seo Hyun-seung.

The second lead single, 'Boombayah,' was produced by Teddy Park and co-written by Bekuh BOOM. The first lead single, 'Whistle,' was produced by Teddy Park and Future Bounce and was written by Teddy Park, iKon's Kim Hanbin, and Bekuh BOOM. Blackpink became the first girl group that debuted under YG Entertainment in six years after 2NE1, with their debut single Square One, which was released on August 8, 2016. At the time of its release, 'Ddu-Du Ddu-Du' set a record as the most-viewed Korean music video in 24 hours on YouTube. They are also the first female K-pop group to have four number-one singles on Billboard's World Digital Song Sales chart. They are the first and only K-pop girl group to enter and top Billboard's Emerging Artists chart. Blackpink is the highest-charting female K-pop act on Billboard Hot 100, peaking at number 55 with 'Ddu-Du Ddu-Du', and on Billboard 200, peaking at number 40 with Square Up. With the group's commercial success in their first five months, they were hailed as the New Artist of the Year at the 31st Golden Disc Awards and the 26th Seoul Music Awards. The single also included 'Boombayah,' their first number one on Billboard World Digital Songs chart, which set the record as the most-viewed debut music video by a Korean act. The group debuted on August 8, 2016, with their single Square One, which spawned 'Whistle,' their first number-one song in South Korea.

Blackpink is a South Korean girl group formed by YG Entertainment, consisting of members Jisoo, Jennie, Lisa, and Rose.

Blackpink debut pictures