Square Two (stylized in all caps) is the second single album by South Korean girl group Blackpink. It was released as a digital single on November 1, 2016 by YG Entertainment and distributed by KT Music. The single has a double A-side, "Playing with Fire" and "Stay" as well as an acoustic version of "Whistle". The lyrics were written by Teddy Park and the music was composed by Teddy Park, R.Tee and Seo Won-jin. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.