God of War II allow him his revenge on Zeus. With the aid of Pegasus, Kratos finds the lair of Gaia's brother Typhon. Imprisoned under a mountain, Typhon is angered at the intrusion and traps Pegasus, forcing Kratos to explore on foot. Kratos encounters the Titan Prometheus, who is chained in mortal form and tortured at Zeus' directive for giving fire to mankind. Prometheus begs to be released from his torment, so Kratos confronts Typhon to steal his magical bow. He blinds the massive Titan with it to escape and then uses it to free Prometheus, who falls into a fire and dies, finally
Chained to the Rhythm that contains a midtempo beat. Perry co-wrote the track with Marley, Sia Furler, and its producers Max Martin and Ali Payami. It has a length of three minutes and fifty-seven seconds. The song contains "slap bass" with elements of electric guitar and synths. It features a guest appearance from Marley and background vocals from Furler. According to the sheet music published by Kobalt Music Publishing America, Inc on Musicnotes.com, "Chained to the Rhythm" is in A minor set in a time signature at a moderate tempo of 95 beats per minute. Perry's vocal range spans from the low note B