Disco McCrae's "Rock Your Baby" became the United Kingdom's first number one disco single. Also in 1974, Gloria Gaynor released the first side-long disco mix vinyl album, which included a remake of the Jackson 5's "Never Can Say Goodbye" and two other songs, "Honey Bee" and her disco version of "Reach Out (I'll Be There)", first topped the Billboard disco/dance charts in November 1974. Gaynor's number-one disco song was "I Will Survive", released in 1978, which was seen as a symbol of female strength and a gay anthem. Also in the mix, Vincent Montana's Salsoul Orchestra contributed with their 1975 Latin-flavored
A-side and B-side two hit songs from different albums that were not originally released together, or were by completely different artists, altogether. These were often made for the jukebox, as one record with two popular songs on it would make more money, or to promote an artist to the fans of another. For example, in 1981 Kraftwerk released their new single "Computer Love" coupled with the B-side "The Model", from their 1978 LP "The Man-Machine". With synthpop increasingly dominating the UK charts, the single was re-released with the sides reversed. In early 1982 "The Model" reached number one. A "double A-side" is a