The story of by John Murphy is deeply tied to its use as the emotional and rhythmic core of the 28 Days Later franchise. While originally a haunting post-rock piece, its natural build-up and "animalistic fury" have made it a favorite for metal remixers. Origin and Thematic Meaning
: The song plays as Jim infiltrates a military mansion (the "House") to rescue Selena and Hannah. His brutal, frenzied violence against the soldiers causes Selena to briefly mistake him for one of the Infected.
: The title refers to a scene earlier in the film where the character Selena tells Jim she would kill him "in a heartbeat" if he were ever infected.
The track's simple, driving melody and intense progression lend themselves perfectly to the metal genre. Several notable versions have gained millions of views:
