Complex sentence: Denmark will participate in the Eurovision Song Contest 2013 in Malmö, Sweden, and have selected their entry through the national final Dansk Melodi Grand Prix 2013, organised by the Danmarks Radio (DR).
Split into simpler sentences: Denmark will participate in the Eurovision Song Contest 2013 in Malmö, Sweden. The Danish entry was selected through the national final Dansk Melodi Grand Prix 2013, organised by the Danmarks Radio (DR).