Jolielegal | OPENINGCREDITS @Jolielegal | Uploaded March 2020 | Updated October 2024, 1 hour ago.
This cutscene music audio is entirely present in OST track "God of War III Overture": youtube.com/watch?v=nJPhZ9kBlYk

This track was uniquely made for this cutscene. As the game's "overture", it features many of the themes from the series.

0:45 to 1:27 - based on Rage of Sparta, like the Main Menu song
2:15 to 2:40 -based on The End Begins (GoW2)
2:40 to 2:59 - based on The Vengeful Spartan (GoW1)