Calexico is an American indie rock band based in Tucson, Arizona. Founded in 1996, the band's two main members, Joey Burns and John Convertino, first played together in Los Angeles as part of the group Giant Sand. They have recorded a number of albums on Quarterstick Records and City Slang, and their 2005 EP, In the Reins, recorded with Iron & Wine, reached the Billboard 200 album charts. Their musical style is influenced by traditional Latin sounds of mariachi, conjunto, cumbia, and tejano mixed with country, jazz, and post-rock.

Giant Sand is an American musical group from Tucson, Arizona, United States. Its most constant member is singer-songwriter Howe Gelb. The groups have developed idiosyncratic sound rooted in alternative country, but touching on a wide range of other styles and featuring Gelb's beatnik-influenced vocals and songwriting. Since about 2012, they have also performed as Giant Giant Sand when featuring a larger ensemble than their traditional four to six musicians.