Check the list of Michael Jackson's unreleased songs "Ekan Satyam (The One Truth)" A.R. Rahman A.R. Parthasarathy Kanika Myer Bharat Recorded as a duet in 1999 by Jackson (singing in English) and Rahman (singing in Sanskrit) Failed to make the Invincible album
http://en.wikipedia.org/wiki/List_of_unreleased_Michael_Jackson_material