Effective period / Period of releases: 1972 - 2015

Members: Dariusz Kozakiewicz, Aleksander Michalski, Ryszard Gromek, Mirosław Męczyński, Andrzej Mikołajczak, Wojciech Gąssowski, Kazimierz Cwynar, Tadeusz Gogosz, Tadeusz Kłoczewiak, Maciej Czaj, Janusz Staszek, Henryk Tomala, Bogdan Gorbaczyński

Test - Polish band, a precursor of Polish hard rock. Formed in the spring of 1971 in Warsaw. The founders were: Wojciech Gąssowski, Andrzej Mikołajczak, Aleksander Michalski , Tomasz Dziubiński, Bogdan Gorbaczyński and Ryszard Gromek. Fall of 1976 the band played a farewell concert at the place of his debut, which is in the club Stodoła. Test reactivated in July 1991, on the occasion of the memorial concert in Sopot "Three Decades of Rock in Poland". One of the guitarists and composers was Dariusz Kozakiewicz.