Details: The Vault: Old Friends 4 Sale is a collection of previously unreleased songs from Prince's legendary vault that was released by Warner Bros. Records in 1999, shortly before the release of his studio album Rave Un2 the Joy Fantastic with the brief liner note: "The enclosed material was written during the period beginning 1/23/1985 and ending 6/18/1994 and was originally intended 4 private use only."