Greatest Hits is a compilation album by the British rock band Queen. The record, released on November 2, 1981, is the UK's all-time best-selling album. Combined with Greatest Hits II, it became the definitive Queen compilation. While a domestic release with different tracks but the same cover art was available in the U.S. in 1981, the British release was available to United States customers only by import until the 1995 release of Greatest Hits I & II, which combined the two discs. The seventeen-track UK Greatest Hits disc was released in the U.S. on its own for the first time, with a few bonus tracks, in 2004 under the name Greatest Hits: We Will Rock You Edition. There was no universal track listing or cover art for the Greatest Hits album, and each territory's tracks were dependent on what singles were released there and what tracks charted. In some cases, despite the band's popularity, not enough songs were issued as singles to fill a compilation album, and a few album tracks were used as filler. Some examples of these were "Sweet Lady" and "Love of My Life", neither was released as a single in any country, but appear on some regions' 1981 Hits release. In the UK and the U.S., where solid numbers could be collected, the standard was raised again by only including top twenty Hits. The U.S. ended up with its original edit of Queen's first single release, "Keep Yourself Alive", which had been re-released in the U.S. in 1975 (original release was 1973) after the success of