This Is It was released to coincide with the theatrical release of Michael Jackson's This Is It, a concert film documenting Jackson's rehearsals for the This Is It concert series at the O2 Arena in London. Released by MJJ Music on October 26, 2009, This Is It features previously released music, as well as six previously unreleased recordings by Jackson. Michael Jackson's This Is It (or simply This Is It) is a posthumous two-disc soundtrack album by American singer Michael Jackson.
