Jaroslav Nejezchleba, better known as Olin Nejezchleba, has long been sought after as a reliable and entertaining “sideman” for many singers and bandleaders, including Vladimír Mišík, Ivan Hlas, Petr Kalandra, Petr Skoumal, Michal Prokop, Anna K., Čechomor and many others. This year, he celebrates forty-five years on the music scene.

To mark the occasion, Olin is preparing a special anniversary concert on Sunday, December 6, 2026, at Palác Akropolis in Prague. The concert will feature a rich line-up of distinguished guests and personalities from the Czech music scene with whom Olin has collaborated throughout his career – including ETC…, Ivan Hlas, Jana Infeldová, Kybabu, Malý Bobr and others.

Jaroslav Nejezchleba was born on January 10, 1960, in Kyjov. He studied cello at the State Conservatory in Brno and during his studies performed with the cimbalom ensemble Písečan. In 1981, he moved to Prague, where he joined the band Marsyas as a bassist. He later became a member of Etc… led by Vladimír Mišík, where he remained for 18 years until 2003.

During that time, he also performed (and continues to perform) with Mišík in the acoustic collective Čundrground, with Petr Kalandra in his Blues Session, and collaborated with numerous other artists such as Čechomor, Vlasta Redl, Petr Skoumal, Jan Burian, Michal Prokop, Ivan Hlas, Nerez, Jiří Bílý, Anna K., Radůza, Vlasta Třešňák and many more.

Today, he performs with the Ivan Hlas Trio, leads his own band KYBABU, and is also part of Malý Bobr (a tribute to Petr Skoumal), Blues Session and the reformed ETC….