Jesper Kyd wrote the main musical theme commonly known as Ezio's Family for Assassin's Creed II.
Kyd composed the soundtrack for Assassin's Creed II, which introduced Ezio Auditore and expanded the series into Renaissance Italy. The score combines orchestral writing with electronic textures and vocal elements, helping distinguish the game's historical atmosphere from its modern-day framing.
Ezio's Family is associated especially with Ezio's character and later became one of the most recognizable musical ideas in the franchise. Variations of the theme appear in subsequent Assassin's Creed games, even when the story shifts to different protagonists and historical periods. Its repeated use helped turn it into a musical signature for the broader series.
Kyd is sometimes confused with later Assassin's Creed composers. Lorne Balfe composed Assassin's Creed III, while Sarah Schachner worked on Assassin's Creed Origins and Assassin's Creed Valhalla with other collaborators. Austin Wintory composed Assassin's Creed Syndicate's score. Those composers contributed important music to the franchise, but Kyd wrote Assassin's Creed II's original score.