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AllMusic
Consequence of Sound
Entertainment Weekly	(B+)
IGN	(8.9)
The Independent
Rolling Stone
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The Times

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

This Is It debuted at number one in fourteen countries, including the United States, Canada, Japan, Italy and France. This Is It also peaked within the top 10 of the charts in several other nations. This Is It has been certified Gold, Platinum, and twice-Platinum in multiple countries. This Is It was the twelfth best-selling album of 2009 in the United States and the third best-selling album of 2009 based on worldwide sales. The title track from the album, "This Is It", earned Michael Jackson a nomination in 2011 for Best Male Pop Vocal Performance at the 53rd Annual Grammy Awards.

Michael Jackson died at the age of 50 on June 25, 2009 from cardiac arrest (it would later be determined that Jackson died of "acute propofol intoxication" with the additional factor of "benzodiazepine effect"). Prior to his death, the singer was planning on performing 50 concerts for his sold out This Is It dates in the United Kingdom from 2009 to 2010. Shortly after his death, on September 23, 2009, Sony Music Entertainment announced that they were to release a two-disc compilation "soundtrack" for Jackson's concert documentary film, Michael Jackson's This Is It. In the announcement it was confirmed that This Is It would be released on October 26, 2009, one day before the film's theatrical release.This Is It is the sixth posthumous album to be released by Sony and Motown/Universal since Jackson's death in June 2009. The previous five albums are The Collection, Hello World: The Motown Solo Collection, The Stripped Mixes, The Definitive Collection, and The Remix Suite.This Is It was released on Sony Music's Epic Records, though, in certain countries, This Is It is listed under Sony Music Entertainment. The album was made available for pre-order – on Amazon.com as a compact disc and on the iTunes Store as a digital download. As planned, This Is It was released on October 26, 2009 in the US and worldwide on October 27 and 28.

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