King of Pop is a compilation album by American singer and recording artist Michael Jackson, released in commemoration of his 50th birthday in 2008. The album title comes from the honorific title Jackson himself acquired approximately 20 years earlier.

Thriller 25 is the 25th-anniversary edition reissue of Thriller (1982), the sixth studio album by American singer and songwriter Michael Jackson. The original album has sold 70 million copies worldwide, making it the best-selling album of all time. Thriller 25 was released by Sony BMG's reissue division, Legacy Recordings. Along with the original material, the reissue contains remixes, new material, a DVD and collaborations with contemporary artists. Thriller 25 was one of the last recorded works released during Jackson's lifetime, and the last he was extensively involved with, as Jackson co-produced all of the newly remixed tracks.