It appeared on their album Hums of the Lovin’ Spoonfu and reached number one on the Billboard Hot 100 in August 1966, for three consecutive weeks. The song features a series of car horns during the instrumental bridge, starting with a Volkswagen Beetle horn, and ends up with a jackhammer sound, in order to give the impression of the sounds of the summer in the city. The song became a gold record. It is ranked number 401 on Rolling Stone’s list of The 500 Greatest Songs of All Time.
The signature keyboard part is played on a Hohner Pianet, and the organ is a Vox Continental.