[1] It features 12 tracks from the original score composed by Tom Holkenborg, also known as Junkie XL, and the Elvis Presley song "Viva Las Vegas" (performed by Richard Cheese and Allison Crowe).

"[2] To accomplish this, he created a "totally electronic score [...] packed with adrenaline-pumping music" that Snyder later said he enjoyed.

[2] While Holkenborg was expected to contribute to the music of the prequel Army of Thieves (also released in the same year) and the tie-in animated series Army of the Dead: Lost Vegas,[7] the former's director Matthias Schweighöfer announced that Hans Zimmer and Steve Mazzaro will serve as composers for the film, replacing Holkenborg.

[4] All music is composed by Tom HolkenborgAdditional music that is not listed in the soundtrack album includes Presley's "Suspicious Minds" and "Night Life", Thea Gilmore's cover of "Bad Moon Rising", Control Machete's "Sí Señor", "The End" by the Raveonettes, Culture Club's "Do You Really Want to Hurt Me", "Siegfried's Funeral March" from Götterdämmerung, and the acoustic version of the Cranberries' "Zombie".

From Decider, Anna Menta commented that she found the soundtrack album to be "consistently perfect" and said "Each song seems to capture the grizzled but colorful vibe of killing zombies in the desert—like a western that knows how to have fun".