Ghostbusters catchphrases "Who you gonna call? Ghostbusters!" and "I ain't afraid of no ghost." The song was a huge hit, staying at number one for three weeks on the "Billboard" Hot 100 chart and for two weeks on the Black Singles chart, and brought Parker an Academy Award nomination for Best Original Song. According to Bruce A. Austin (in 1989), the theme "purportedly added $20 million to the box office take of the film". In autumn of 1984, singer and songwriter Huey Lewis sued Ray Parker, Jr. for plagiarism, claiming that Parker copied the melody from his 1984 song "I Want
Theme music Theme music Theme music is a piece that is often written specifically for a radio program, television program, video game, or movie and is usually played during the intro, opening credits, and/or ending credits. The phrase theme song or signature tune may also be used to refer to a signature song that has become especially associated with a particular performer or dignitary, often used as they make an entrance. The purpose of a theme song is often similar to that of a leitmotif. Such songs can also be used in other ways. One author has made extensive use of them