DAREK "OLES" Oleszkiewicz was born on February 20, 1963 in Wroclaw, Poland. At the age of five Darek began his music education at the State Music School in Wroclaw. Piano was his first instrument, but later he played guitar, electric bass and finally at eighteen years old, he switched to acoustic bass. While in his teens he played with am-ateur groups, evolving in popular music styles from rock, blues, jazz-rock to straight ahead jazz.
In the early 1980's, Darek participated in various jazz festivals and national competitions for young musicians. In 1983, he was the most awarded musician at the Jazz Juniors in Cracow, winning the first individual prize, first prize for jazz composition and a second prize in jazz combo category