With their third record "?jszakai bevet?s" (Night operation) Hungary's very own Pokolg?p finally ascended the throne of Heavy Metal in 1989. The Hell machine (Pokolg?p) was on full speed. The classic line-up of of J?zsef Kalap?cs on vocals, Gy?rgy Pazdera on bass, G?bor Kukovecz and L?szl? Nagyfi on guitar and L?szl? Tarca on drums proved Pokolg?p's extraordinary position in the Hungarian music scene and the Eastern European Metal scene once again. Although some fans missed the full speed metal from earlier albums, "?jszakai bevet?s" was a huge commercial success.