Title: This Is It (Ryan Adams song)
Content:  "This Is It" is a song by singer-songwriter Ryan Adams from his 2003 album Rock n Roll. The song was co-written with Johnny T. Yerington and released as a single in 2004. A music video for "This Is It", directed by Dominic J. DeJoseph, was produced in 2004. It features concert footage of Adams and his band performing the song. An acoustic version of the song was released as a b-side, while a mellower, re-recorded version with The Cardinals can be found on the 2007 EP Follow The Lights.
Title: This Is It (Scotty McCreery song)
Content:  "This Is It" is a song co-written and recorded by American country music singer Scotty McCreery. It was released to digital retailers on March 9, 2018 and was released to radio on May 7, 2018. The song is the second single released from his fourth studio album Seasons Change (2018).
Title: This Is It (concert residency)
Content:  The film was directed by Kenny Ortega who was also the director of the live concert. It was compiled mostly from footage that was shot as reference for production discussions and was never meant to be shown publicly. Some of the music and vocals in the film were added from previous recordings, though most were from the live performance. The film was released on October 28, 2009. An accompanying album to the film was also released. Titled This Is It, the compilation was distributed internationally on October 26, and to North America the following day. The two-disc album features music "inspired from the documentary of the same name". 
Title: This Is It (Melba Moore song)
Content:  "This Is It" is a 1976 disco song written by Van McCoy, and performed by American singer and actress Melba Moore for her fifth album of the same name.
Title: This Is It (Michael Jackson song)
Content:  "This Is It" is a song co-written by American singer-songwriter Michael Jackson and Canadian singer-songwriter Paul Anka. The song was recorded by the former and featured as a track on the album This Is It (2009), which accompanies the 2009 concert documentary Michael Jackson's This Is It. It was premiered worldwide on Jackson's official website on October 12, 2009, four months after his death on June 25, 2009. Although Sony Music Entertainment referred to the song as a "new single" during its promotion, it was later confirmed that the song would only be sent for airplay, and not be available to buy as a single release. 
Title: This Is It! (The A&amp;M Years 1979–1989)
Content:  All songs written and arranged by Joe Jackson, except where noted.
Title: This Is It (Melba Moore song)
Content:  "This Is It" was covered in 1993 by Australian singer Dannii Minogue on her second album, Get into You (1993). The song was produced by Tim Lever and Mike Percy and received a mixed reception from music critics.
Title: This Is It (Staind song)
Content:  "This Is It" is a song by the American rock band Staind. It served as the fourth and final single from the band's sixth studio album The Illusion of Progress. The song was released on May 4, 2009. It is featured on the soundtrack for the 2009 film Transformers: Revenge of the Fallen.
Title: This Is It (Kenny Loggins song)
Content:  "This Is It" is a song by American musician Kenny Loggins. It was released in 1979 as the lead single from his 1979 album Keep the Fire. It reached number 11 on the Billboard Hot 100 and number 17 on the Adult Contemporary chart. "This Is It" was also successful on the Hot Soul Singles chart, reaching number 19; it was one of two entries on this chart. The song features additional vocals by Michael McDonald, who co-wrote the song with Loggins. The song won a Grammy Award in 1981 for Best Male Pop Vocal Performance. The song was featured as a theme song to the 1980 and 1981 NCAA Basketball Tournament Final Four on NBC SPORTS
Title: If This Is It (Newton Faulkner song)
Content:  "If This Is It" is a song by English singer-songwriter and musician Newton Faulkner from his second studio album Rebuilt by Humans (2009). The song was released on September 11, 2009 as the album's lead single. The song was written by Adam Argyle, Newton Faulkner and produced by Mike Spencer. The song peaked to number 56 on the UK Singles Chart and number 29 on the Australian Singles Chart.

Question: Who was the composer of This Is It?
Answer: Michael Jackson.
MJ.
The King of Pop.
Michael Joe Jackson.
Michael Joseph Jackson.
M.J.
M. J.
King of Pop.
King of Music.
The King.