"Such Great Heights" was the band's first single; both Gibbard and Tamborello both jokingly referred to it as "the hit" of the album, presaging its eventual popularity. It debuted before the album's release as a physical CD single on January 21, 2003. The duo had hoped to offer more to listeners than a typical A/B-side release, and Sub Pop labelmates the Shins and Iron & Wine agreed to cover two of the group's songs. Iron & Wine's rendition of "Such Great Heights" aided in boosting the song's profile. Both versions were simultaneously popular, with Iron & Wine's version were both in the film and soundtrack for "Garden State", as well as in television advertisement for M&M's. The original version was licensed for commercials for Target, Ask.com, UPS, and Kaiser Permanente.