Overview
"Summer Nights" is a popular song from the musical Grease. Written by Jim Jacobs and Warren Casey, its best-known version was recorded by American actor and singer John Travolta and British-Australian singer, songwriter and actress Olivia Newton-John for the big-screen adaptation of the musical, and released as a single that same year. It was released in August 1978 as the fourth single from the movie's soundtrack album and became a massive hit worldwide during the summer of 1978. Parts of the song were introduced to a new audience when it was re-released in the 1990s as part of a megamix of several songs from the movie version.
Background
In the movie version of Grease, Travolta and Newton-John played the lead roles of Danny Zuko and Sandy Olsson.
The song's genesis stems from a summertime love affair between Danny and Sandy, which had ended upon Sandy's revelation that she was moving back to Australia with her family; however, Sandy soon learns that her family is staying in the United States and subsequently enrolls at Rydell High School, where Danny is also a student. In the original stage version, Sandy Dumbrowski, who like many other characters in the play is a Catholic of Polish descent, originally attends parochial school. On the other hand, Danny lied to her and claimed to attend Lake Forest Academy, a prestigious real-life private school in Chicago. Sandy's parents' decision to pull her out of Catholic school and put her in public Rydell High exposes Danny's subterfuge. It quickly becomes clear that there are unresolved feelings of love between Danny and Sandy.
Separately and unknown to each other, both Danny and Sandy meet with their respective group of friends and share their perspectives of their summertime fling. Danny, the leader of a greaser gang known as "The T-Birds" (the "Burger Palace Boys" in the stage show), brags about the physical aspects of the relationship; Sandy remarks to the schoolgirl clique "The Pink Ladies" about her emotional attachment to Danny. The resulting conversations are played out through the song.
From Wikipedia (CC BY-SA 4.0).