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 single where both sides are designated the A-side; there is no B-side on such a single. The double A-sided single was invented in December 1965 by the Beatles for their single of "We Can Work It Out" and "Day Tripper", where both were designated A-sides. They continued to use the format for the release of the singles "Eleanor Rigby" and "Yellow Submarine" in 1966, followed by "Strawberry Fields Forever" / "Penny Lane" in 1967, and "Something" / "Come Together" in 1969. Other groups followed suit, notably the Rolling Stones in early 1967 with "Let's Spend the Night Together" / "Ruby