During four fun-filled days in July, Karlshamn Baltic Festival (Östersjöfestivalen) puts on a free street party with a broad programme of national and international performances, markets and food stalls along its streets and squares, shopping and other activities. This year, the festival celebrates its 50th anniversary with Eurovision Song Contest winner Måns Zelmerlöw, DJ duo Rebecca & Fiona, and hard rock band Hardcore Superstar all performing at the opening concert on 20 July.