With Pete Wentz as the band's primary lyricist and Patrick Stump as the primary composer, Fall Out Boy reached mainstream success with its major label debut, From Under the Cork Tree. Released in 2005, the album won several awards and has achieved double platinum status after selling more than 2.5 million albums in the United States alone. To support the album, the band headlined tours around the world in 2005 and 2006.
In 2007 the band released Infinity on High to major chart success, reaching #1 on the Billboard 200 and selling 260,000 copies its first week. The lead single, "This Ain't a Scene, It's an Arms Race", reached #1 on the Pop 100 and #2 on the Billboard Hot 100. To promote the album, the band performed at the Live Earth concerts and headlined the Honda Civic Tour through mid 2007.
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