Here is the agenda of the concerts organized by the Music Conservatorium of Maastricht for the month of May (classical and modern music):
http://conservatorium.hszuyd.nl/files/2008-05%20MEI%202008%20met%20CAT%20affiche.pdf
PS: right click on the link and safe the document on your hard drive, it seems like some search engines have problems to display the agenda.