"Boombayah" (Korean: 붐바야) is a 2016 song by South Korean girl group Black Pink. It was released coupled with "Whistle" and was released in titled Square One, on August 8, 2016 by YG Entertainment and distributed by KT Music. "Boombayah" topped the Billboard World Digital Songs chart in the first week of sales.

"Boombayah" was released on August 8, 2016 at 8 p.m. KST as a digital single titled "Square One", coupled with "Whistle", through various digital music portals in South Korea.

The music video for "Boombayah" was directed by Seo Hyun-seung, and it was released on Black Pink's official YouTube channel on August 8, 2016.

As of November 24, 2016, "Boombayah" has accrued 68 million views, while "Whistle" has 55 million. All of Black Pink's live performances have each over one million views, the highest being their debut stage for "Boombayah" on SBS's Inkigayo with over ten million views. "Boombayah" also became the fastest debut music video to achieved 50 million views on YouTube of any K-pop act, with nine weeks after release.

On January 31, 2017, the music video for "Boombayah" hit 100 million views on YouTube, which makes Black Pink the fifth K-pop girl group to reach 100 million views, as well as the fastest debut music video of any K-pop group to reach this milestone.

Black Pink promoted "Boombayah" at their debut stage on SBS's Inkigayo on August 14, 2016. They subsequently promoted the song for the two followings weeks on Inkigayo, and also performed "Boombayah" at the 26th Seoul Music Awards on January 19, 2017.

Billboard K-Town's Jeff Benjamin said said they "embrace the hip-hop sensibilities and club-ready sounds with which their seniors gained an international following", referring to their labelmates Psy, Big Bang and 2NE1. He said, "Boombayah" has "booming, exotic beats"

...
Wikipedia