URL for importing or subscribing the concert dates above into your calender program: http://myconcerts.nu/cgi-bin/konzerte_ics.pl?language=fr&keyword=O%20Virtus%20Sapientiae%20%2D%20en%20hymn%20till%20visdom
http://myconcerts.nu/cgi-bin/konzerte_ics.pl?language=fr&keyword=O%20Virtus%20Sapientiae%20%2D%20en%20hymn%20till%20visdom