Country of origin:
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 M