Dark Music Days 

Reykjavik's long winter nights are brightened up by Dark Music Days, a music festival of classical, contemporary and new music, organized by the Iceland Composer Society in collaboration with many of the country's top performers. Since 1980 the contemporary music festival, Dark Music Days, has celebrated the darkest days of the year with a new music festival where composers open their workshops to audiences.
 
The music festival was held for the first time in 1980 at the initiative of composers Atli Heimir Sveinsson and Thorkell Sigurbjörnsson, among others. The festival offers an ambitious programme—several concerts take place each day and many premieres. The festival draws foreign guests who want to study Icelandic music today and report about their experiences back at home. The festival is an annual Music Festival organized by the Icelandic Composers Union. This festival is scheduled on a biennial basis.
 
http://www.darkmusicdays.is/