The Ballad Of Songbirds & Snakes is a prequel to The Hunger Games, set decades before the original Suzanne Collins trilogy. The Ballad Of Songbirds & Snakes focuses on a young President Snow (Tom Blyth) and how he rose to power when he was first picked to be a mentor for a tribute. The book was released in 2020 and was adapted for a 2023 movie. The story explains where the corruption in his rise to President started. As a District 12 mentor, the movie explores how Snow develops feelings for the District 12 tribute, Lucy Gray (Rachel Zegler), and his influence on the development of the Hunger Games.

https://screenrant.com/ballad-of-songbirds-and-snakes-hunger-games-timeline/