Steen Lindholm is the DAM National adviser in questions concerning classical amateur music, choirs and orchestras, and he is also taking care of international correspondance to DAM. 
You may ask about exchange projects with Danish amateur choirs and orchestras or seek information about Danish orchestras, choirs, conductors and their organisations. Please notice, that the adviser will only provide you with information, whereas the eventual practical arrangement of concerts in Denmark is beyond the possibilities of the office. However, your contactwish to Danish exchange ensembles shall gladly and freely be announced on the adviser´s homepage, if you send a mail with a description of your choir or orchestra.
If you want information on Danish composers or Danish music, professional festivals or other events, please contact the Danish Art Agency: Kunststyrelsen. 
If you want to contact Steen Lindholm, please mail to Denne emailadresse er beskyttet mod programmer som samler emailadresser. Du skal aktivere javascript for at kunne se adressen.

You may have a surview of international festivals 2010 for choirs and orchestras here. Or you may view the festivals 2011 here. In spite of the fact, that the festival calendar is a service for Danish ensembles and mainly in Danish language, it should be possible to understand most of the contents.

You may also look at the possibilities for as an individ to join international seminars, courses or similar events here.

Some information on DAM:

DAM (Dansk Amatørmusik / Danish Amateur Music) was established in 2009 as an umbrella over Danish choir- and orchestraorganizations. Today the organization includes about 40.000 members in 14 organizations, - about 34.000 choir singers and 6.000 instrumentalists.  
One of the aims of DAM is to create a more visible profile and a better recognition of the amateurs in Danish musical life, both towards the ministry of culture and the official culture institutions and organizations, and also towards other acting organizations in the Danish musical world. 
DAM is taking care of the international network, a.o. through membership of IFCM and Europa Cantat.

DAM is offering education for the conductors, a summer course for young musicians and education for board members (volunteers) in choirs and orchestras.
On behalf of the Danish Art Council DAM is administrating financial support for amateur choirs and orchestras on a high level.
DAM is also publishing a magazine.

The DAM Secretariate offers administrative assistance and support for the member organizations. The staff also includes the National Advisor for choirs and orchestras.

Other organizations are Jeunesses Musicales Denmark (Musik & Ungdom) and Landsgardeforeningen (Association of Danish Marchbands).