Kill 'Em AllMetallicas Kill 'Em All was released on July 25, 1983, through Megaforce Records. Produced by Paul Curcio, the album introduced the band's aggressive thrash metal sound, featuring fast tempos, sharp riffs, and raw energy. Featuring tracks like "Hit the Lights," "Seek & Destroy," "Whiplash," and "The Four Horsemen," Kill 'Em All became a landmark in metal history, laying the foundation for the thrash movement. The cover art features a bloodied hammer