¡Uno! is the ninth studio album by the American punk rock band Green Day, released on September 21, 2012, by Reprise Records. It is the first of three albums in the ¡Uno!, ¡Dos!, ¡Tré! trilogy, a series of studio albums released from September 2012 to December 2012. Green Day recorded the album from February to June 2012 at Jingletown Studios in Oakland, California. It is the band's first album as a quartet, as Jason White became an official member.
Artwork of the album was revealed in a video uploaded to YouTube and the track list of the album, which consist of 12 songs was announced on June 26, 2012. The first single from the album, titled "Oh Love", was released on July 16, 2012. The second single "Kill the DJ" was released on European iTunes Stores on August 14, 2012. The third single "Let Yourself Go" was released on the US iTunes Store on September 5, 2012, and a promotional single "Nuclear Family" was released on their YouTube channel on September 12, 2012. A music video for "Stay the Night" was released on Rolling Stone and their YouTube channel on September 24, 2012.
¡Uno! received generally positive reviews from music critics. It debuted at number two on the US Billboard 200 with first-week sales of 139,000 copies. The album also reached the top 10 of charts in numerous other countries.