Jon and Marsha Zazula are the co-founders of Megaforce Records, an influential label founded in 1982 that helped launch the careers of bands like Metallica, Anthrax, and Testament. Their contributions to the heavy metal genre are legendary.

Metallica – Kill ‘Em All (1983); Ride the Lightning (1984);
Anthrax – Fistful of Metal (1984); Armed and Dangerous (1985); Spreading the Disease (1985);
Overkill – Feel the Fire (1985); Taking Over (1987);
Testament – The Legacy (1987); The New Order (1988)