Michael, for a new song and album. Naughty Boy claimed that the song is "amazing but [...] bittersweet". On 7 September 2017 (months after Michael's death), the single "Fantasy", featuring Nile Rodgers, was released. Having charted at number two upon its release in 1984 (behind Band Aid's "Do They Know It's Christmas?" which Michael also performed in), "Last Christmas" finally reached number-one in the UK Singles Chart on New Year's Day 2021 (chart week ending date 7 January 2021), more than 36 years after its initial release. Andrew Ridgeley said the chart placing was "a testament to its timeless appeal and charm", adding: "It is a fitting tribute to George's song-writing genius... he would have been immensely proud and utterly thrilled." The period of 36 years taken to reach number one was a UK chart record, which would be surpassed by Kate Bush with "Running Up That Hill" in June 2022 which took 37 years. Posthumous releases On 7 September 2017, Michael's estate released the single "Fantasy". Written and produced by Michael, was recorded while he was working on Listen Without Prejudice Vol. 1. However, the track was not included on the album. Instead in October 1990, it was featured on the "Waiting for That Day" single in the United Kingdom and on the "Freedom! '90" single in the rest of the world. On 7 September 2017, a new version reworked by Nile Rodgers was released as a single from Listen Without Prejudice / MTV Unplugged (2017). The album includes the original version of "Fantasy" and the 1998 version; the Nile Rodgers remix was not included on the disc but was made available to purchasers as a digital download. On 18 October 2017, a music video was released on Vevo. In 2019, the Emma Thompson-written film Last Christmas was released. The title of the film is taken from the Wham classic. An official soundtrack album was released by Legacy Recordings on CD, two-disc vinyl, and digital formats on 8 November 2019. The album contains 14 Wham! and solo George Michael songs, as well as a previously unreleased song originally completed in 2015 titled "This Is How (We Want You to Get High)". The soundtrack album debuted at number one on the UK Official Soundtrack Albums Chart and at number 11 on the UK Albums Chart on 15 November 2019. It also entered the Australian Albums Chart at number seven, the