The song’s origins are surprisingly humble and notably non-festive.
The album Last Christmas: The Original Motion Picture Soundtrack features 15 songs, including three Wham! tracks and 12 of Michael’s solo hits.
Michael insisted on total creative control, playing the LinnDrum machine, a Roland Juno-60 synthesiser, and even the sleigh bells himself. 2. Chart History and "The Long Wait"
Despite its immediate popularity, "Last Christmas" had a notoriously difficult path to the top of the charts.