Got Microsoft Outlook 2000 or above? - I have, and it plays a huge role in organising my life with tasks, notes and calendar entries. Cheesey advertisement aside, any program capable of reading iCal files can now make use of a new tool I've added to the calendar.
There is now a "download" link on each calendar item which should appear on a page like in the below picture
Click the link and should see the following
If you choose the open option, the item should open in Outlook like below
For example, you can download the generated file for all the Thursday rehearsals from the link below.
http://www.elaps.co.uk/cal_display.php?id=261&download