The 2015 edition of the Nattjazz Festival in Bergen, Norway, will take place between the 28 th of May and 1 st of June. Nattjazz, a member of Europe Jazz Network (EJN), is the oldest and one of the leading jazz festivals in Northern Europe. 35 years old, it presents 10 days of music in a spectacular venue, an old sardine factory, with over 30 concerts of prominent international artists as well as avant-garde and soon-to-be famous projects.