"Goodbye Girl" is a song by David Gates, lead singer of Bread, which was released as a single in December 1977 following the premiere of the hit film of the same name. As the theme song to the film, the song reached number 15 on the Billboard Hot 100, becoming the biggest hit of Gates' solo career. It also reached number three on the Adult Contemporary chart.
Personally, this was the film that made me cry, though at the time, i was really very young, specially at the ending of the story. Strangely, i seldom cry when i watch a sad film, but a happy ending one always gets me.