As an AI language model, I am not capable of predicting the future or knowing information beyond the knowledge cutoff date of September 2021. Therefore, I cannot provide information on who won the Song of the Year in 2023.

However, Song of the Year is a highly prestigious award presented to a songwriter who has written the best song of the year in the music industry. The Song of the Year award is presented at several different awards ceremonies, including the Grammy Awards, the Billboard Music Awards, and the American Music Awards.
Each year, the Song of the Year award recognizes a songwriter who has written a song that has had a significant impact on the music industry and the public. The award is typically given to a song that has achieved commercial success, critical acclaim, and cultural significance.
In recent years, the Song of the Year award has been presented to some of the most popular and influential songs in the music industry. In 2020, the Song of the Year award was presented to “Bad Guy” by Billie Eilish at the Grammy Awards. In 2019, the award was presented to “This Is America” by Childish Gambino, and in 2018, the award was presented to “That’s What I Like” by Bruno Mars.
In addition to these popular songs, the Song of the Year award has also been presented to songs that have had a significant impact on social and political issues. For example, in 2017, the award was presented to “Formation” by Beyoncé, which addressed issues of police brutality, racism, and African-American culture.
The Song of the Year award is a highly competitive and prestigious award that is eagerly awaited by the music industry and the public. It is awarded to the songwriter who has written the most successful and influential song of the year, and it is an important recognition of the songwriter’s talent and impact on the music industry.
In conclusion, the Song of the Year award is presented each year to a songwriter who has written the best and most influential song of the year. The award recognizes the songwriter’s impact on the music industry and the public, and it is one of the most prestigious awards in the music industry. While we cannot predict who will win the Song of the Year award in 2023, we can be sure that the winning songwriter will have written a song that has had a significant impact on the music industry and the public.