You can get a CD of these from Alan for practice purposes at one of the rehearsals, or download the songs as mp3 files from here.
BEWARE - they are largish files and may take some time to download, perhaps 2 minutes for the longer ones, and much longer if you are dialling up from a non-broadband telephone line.

If you want to just play them then click on one. A new page will open and then and wait for it to download before it automatically plays...

If you want to save the individual mp3 files to your computer then right click and select " Save Target As... "