The discovery offers a rare glimpse into Jackson’s music, but legal hurdles may prevent the public from listening.

The estate of the late Michael Jackson is challenging a New Jersey auction house's attempt to sell three cassette tapes containing what it claims are unreleased and unedited songs by the King of Pop.

An auction of unreleased Michael Jackson tapes seemingly ended with ... Gotta Have Rock and Roll listed two cassette tapes, alleged to contain unreleased music by the late pop star, with an ...