London, September 24 : Late singer Michael Jackson’s new and never heard before song titled after his planned comeback concert ‘This Is It’ will be out on October 2.

The track will also be included on the soundtrack album for the upcoming documentary on the King of pop of the same name.

In fact, two versions of the tune will be incorporated in the album releasing on October 27.

It will even be played out in the film''s closing credits, reports the Sun.

Also, a touching spoken-word poem from the King Of Pop called Planet Earth will be available in the album. (ANI)