He has achieved practically everything on the hip-hop scene in Poland. Author of 25 original music albums and a five-time winner of Fryderyk Awards. For 20 years he has been consistently following the artistic direction once chosen. "Do you like being alone?" During the concert and author meeting as part of the Artus Festival, this will be checked by none other than Adam O.S.T.R. Ostrowski.
He has not always been a solo artist. He started his career in a few local bands, but quickly made a name for himself as the undisputed leader of freestyle rap competitions. Thanks to one of such performances on the stage of Prokadencja club in Łódź, he got a contract for a debut album in Asfalt Records. O.S.T.R. is associated with the label to this day. He was one of the first to start using a band of instrumentalists during hip-hop concerts. His albums, released on a grand scale, have repeatedly debuted at the top of OLIS sales charts. Loved and appreciated abroad, he has cooperated with musicians from American, British and Dutch hip-hop scene. Together with Chris Van Rootselaar and Jaap Wiewel, he forms the Killing Skills production collective. In 2020, the rapper released two albums - released in collaboration with Hades "HAO2" and a solo album "Wrath". Three years ago, Ostrowski's bestselling autobiography "Brzydki, złego i szczery" (Ugly, Bad and Honest) filled the shelves of bookstores.