1. Original Tracks
The tracks on "Xscape" were cut between 1983 and 1999. Jackson would work on 70 or more songs for a record, and finish as many as 40.
2. The Vaults
Karen Langford pulled recordings from the archives. "We call her 'the archivist,'" says John Branca, co-executor of the Jackson estate. "With help from John Doelp at Sony, we reviewed the music and then reviewed it with [Reid]."
3. The Edit