"Letter in the Sky" is a song recorded by Japanese-American singer-songwriter Ai featuring American pop band The Jacksons.

"Letter in the Sky" served as the lead single from Ai's ninth studio album, Independent (2012).

In the documentary, she traveled to the United States and interviewed members of the Jackson family in their home.

Ai left Universal and signed a global publishing deal with EMI to release her music worldwide in June 2011.

[4] "Letter in the Sky" served as the theme song for the Michael Jackson Tribute: Live in Tokyo concert that took place December 13 and 14th, 2011 at Yoyogi National Stadium.