Jaca Beats Jacek Kuprel Beatmaking since 2006. Credits : Te-Tris, Miuosh, Kękę, Blaq Poet, Karwan, Zkibwoy, Junes, Laikike1, Raca, Szopeen, TMK aka Piekielny, Pjentak, Plejer, Tymin, Peus, Arski, Chok, Biak, Dj HWR, Dj Danek, Dj Krug, Enson, Muflon, Majkel, Kot Kuler, Guova