Greatest Hits

Greatest hits might mean:
Greatest hits album, a compilation album of previously released songs that were very successful hits of a particular music artist or band
Specific albums:
 All the Greatest Hits, by McFly
Greatest Hits: My Prerogative by Britney Spears
Greatest Hits (Chris Gaines album)
Greatest Hits (Guns N' Roses album)
Greatest Hits (Mariah Carey album)
Greatest Hits (Selena album)
Greatest Hits (Social Distortion album)