2pac's Greatest Hits is a posthumous double-disc album originally released on 24th November, 1998. The album's non-chronological sequence focuses on the highlights of 2Pac's career. 21 of his most popular tracks are accompanied by four previously unreleased songs: "God Bless the Dead", "Unconditional Love", "Troublesome '96", and the Grammy Nominated "Changes". The original mix of "California Love" makes its first proper album appearance after initially only being available as a single. 2pac's Greatest Hits remains the best-selling rap greatest hits compilation of all time..