Jazzclub OSJE mainly focuses on old style jazz. In order to achieve their goal, all kinds of activities are developed, the most important of which is the organization of high-level concerts by international bands and/or professional jazz musicians.

The purpose of these concerts is on the one hand to provide space to listen to the orchestras, on the other hand to enjoy this fine music together in a relaxed atmosphere. Dancers from Lindyhop, Charleston, Collegiate Shag, Blues, Boogie Woogie and Balboa are expressly invited: after all, the jazz music of that time was dance music!