After the success of Kill 'Em All, Zazula signed and worked with other artists including: Warren Haynes, Testament, Tad, Overkill, Frehley's Comet, Kings X, Ministry, and Anthrax.
После успеха Kill 'em All Зазула подписывал контракты и работал со многими известными исполнителями, включая: Warren Haynes, Testament, Overkill, Frehley’s Comet, Kings X, Ministry и Anthrax.