Released in 2002 as the only single from the band's 2002 greatest hits album, O, Yeah! Ultimate Aerosmith Hits, the song was written by lead singer Steven Tyler, guitarist Joe Perry and professional songwriter Marti Frederiksen.
The song, described by the band's frequent collaborator Jack Douglas as "George Harrison meets the Beach Boys", reflected the laid back atmosphere of its composition, where according to Tyler, he along with Perry and Fredericksen ProTools and we just started flailing and, of course, what vibe would come .
The single reached #25 on the U.S. Mainstream Rock Tracks chart.
The Girls of Summer Tour, which occurred in the latter half of 2002 and featured Aerosmith with Kid Rock and Run-DMC as openers, was named after the single.
The song was nominated for a Grammy Award in 2003 in the category Best Rock Performance by a Duo or Group with Vocal.