"Sugar, We're Goin Down" is a song by American rock band Fall Out Boy. "Sugar, We're Goin Down" was released to US radio on April 4, 2005, as the lead single from their second album, From Under the Cork Tree (2005). Two different CD singles were released with different B-sides, Part I with a green cover and Part II with a red cover. With music composed by vocalist Patrick Stump and lyrics penned by bassist Pete Wentz, the single reached No. 8 on the US Billboard Hot 100, becoming Fall Out Boy's first top-10 hit and exploding the band into the mainstream, exposing them to a new audience. It spent five weeks in the top 10 and 20 weeks in the top 20 out of its 42 chart weeks.