Marie Fredriksson will perform together with her husband Micke Bolyos at the inauguration ceremony of Citytunneln, a 17-kilometer rail link between Malmö Central Station and the Öresund Bridge. As the grand finale, HM King Carl XVI Gustaf of Sweden will officially open the tunnel for traffic. The ceremony will be held next to the Malmö Central Station on December 4 and is free to the public.

Other artists performing at the ceremony include Nisse Hellberg, Timbuktu, and Ola Salo.

Source: Citytunneln.com
Thanks to Evgeny Perekopskiy for this information.