Bartlomiej Oles (born 1973 in Sosnowiec) is a jazz and free improvisation drummer, composer and record producer. He is the twin brother of Marcin Oles. 1973 (MCMLXXIII) was a common year starting on Monday. ... Motto: none Voivodship Silesian Municipal government Rada Miejska Sosnowiec Mayor Kazimierz Górski Area 91,2 km² Population  - city  - urban  - density 231 540 2. ... Jazz is an original American musical art form that originated around the start of the 20th century in New Orleans, rooted in African American musical styles blended with Western music technique and theory. ... Free improvisation or free music is improvised music without any rules beyond the taste of the musicians involved, and not in any particular style. ... A composer is a person who writes music. ... In the music industry, a record producer (or music producer) has many roles, among them controlling the recording sessions, coaching and guiding the performers, and supervising the recording, mixing and mastering processes. ...