O.s.t.r.

About

Adam Andrzej Ostrowski (Polish pronunciation: [ˈadam ɔsˈtrɔfskʲi], born 15 May 1980 in Łódź, Poland), better known as O.S.T.R., is a Polish rapper, musician, audio engineer and record producer, famous for his freestyle rap skills, ambitious lyrics and unique beats. He graduated from the Academy of Music in Łódź, violin class. He is one of the few Polish rappers who have received professional musical education. He has collaborated with American rappers such as Evidence, El Da Sensei, Craig G, Keith Murray, Jeru The Damaja, Lil' Dap, Sadat X and Canadian producer Marco Polo.