The Lovin' Spoonful recorded most of Daydream in four days at Bell Sound Studios in New York City, from December 13 to 16, 1965.

[4][5] Sessions also took place at Columbia Studios in New York City and RCA in Hollywood, Los Angeles.

Kama Sutra Records issued Daydream in the United States in March 1966.

British pop group Right Said Fred took the song "Daydream" to Number 29 on the UK Singles Chart in 1992.

The New Jersey band Yo La Tengo released its arrangement of "Butchie's Tune" on their 2015 album Stuff Like That There.