Among the most distracting songs were Last Christmas by Ariana Grande and The Happiest Christmas Tree by Nat King Cole.

Source: https://bromsgrovestandard.co.uk/lifestyle/revealed-the-most-distracting-and-most-productive-christmas-songs-to-listen-to-in-the-office-47381/

In the years since its release, "Last Christmas" has hit the top ten in 35 countries as of summer 2023 (compiled and verified by ScreenRant writer).

Source: https://screenrant.com/wham-band-greatest-songs-ranked/

It’s a melancholic ballad that hits you straight away with the first line, “Last Christmas I gave you my heart / But the very next day you gave it away.”

Source: https://stylecaster.com/entertainment/music/1686844/last-christmas-lyrics/

Meanwhile, streaming data published by Spotify for the week up to December 21 showed that Last Christmas had been streamed more than six million times, giving it the top spot ahead of the Thursday deadline.

Source: https://www.dailymail.co.uk/news/article-12893517/christmas-number-1-sam-ryder-wham-mariah-carey-shane-macgowan-fairytale-new-york.html?ns_mchannel=rss&ns_campaign=1490&ito=1490