Adam Andrzej Ostrowski, known professionally as O.S.T.R., was born on May 15,
1980, in Łódź, Poland. He is a rapper, record producer, and musician who
graduated as a violinist from the Academy of Music in Łódź. He made his official
album debut with Masz To Jak W Banku (2001), followed by Tabasko (2002). Jazz
became an important influence on his production, particularly on Jazz w wolnych
chwilach (2003) and Jazzurekcja (2004). Throughout his career, O.S.T.R. has
collaborated with Polish and international artists, including Emade, Hades,
Evidence, Keith Murray, and Marco Polo. His ...